diff --git a/13Ex/a.exe b/13Ex/a.exe
new file mode 100644
index 0000000..3037936
Binary files /dev/null and b/13Ex/a.exe differ
diff --git a/13Ex/equal.c b/13Ex/equal.c
new file mode 100644
index 0000000..4a1c3e6
--- /dev/null
+++ b/13Ex/equal.c
@@ -0,0 +1,6 @@
+#include "equal.h"
+
+int equal(double * numbers) {
+    for (int i = 2; i < numbers[0]; i++) if (fabs(numbers[i] - numbers[i - 1]) > eps) return 1;
+    return 0;
+}
diff --git a/13Ex/equal.h b/13Ex/equal.h
new file mode 100644
index 0000000..c916d13
--- /dev/null
+++ b/13Ex/equal.h
@@ -0,0 +1,11 @@
+#ifndef EQUAL
+#define EQUAL
+
+#include <stdio.h>
+#include <math.h>
+
+#define eps 1.e-6
+
+int equal(double * numbers);
+
+#endif // EQUAL
diff --git a/13Ex/input.txt b/13Ex/input.txt
new file mode 100644
index 0000000..7867932
--- /dev/null
+++ b/13Ex/input.txt
@@ -0,0 +1 @@
+1 1 1 1 1 1 1
\ No newline at end of file
diff --git a/13Ex/main.c b/13Ex/main.c
new file mode 100644
index 0000000..2c435ee
--- /dev/null
+++ b/13Ex/main.c
@@ -0,0 +1,17 @@
+#include <stdio.h>
+#include "tools.h"
+#include "equal.h"
+
+int main(void) {
+    double * numbers;
+    FILE * file = getFile();
+    if (file == NULL) return 1;
+
+    numbers = getList(file);
+    if (numbers == NULL) return 1;
+
+    if (equal(numbers)) printf("They are different");
+    else printf("They are the same");
+
+    return 0;
+}
diff --git a/13Ex/makefile b/13Ex/makefile
new file mode 100644
index 0000000..3ccf9a2
--- /dev/null
+++ b/13Ex/makefile
@@ -0,0 +1,11 @@
+all: main.o equal.o tools.o
+	gcc main.o equal.o tools.o && del *.o
+	
+main.o: main.c
+	gcc -c main.c
+
+equal.o: equal.c
+	gcc -c equal.c
+
+tools.o: tools.c
+	gcc -c tools.c
\ No newline at end of file
diff --git a/13Ex/tools.c b/13Ex/tools.c
new file mode 100644
index 0000000..f2ebc66
--- /dev/null
+++ b/13Ex/tools.c
@@ -0,0 +1,50 @@
+#include "tools.h"
+
+FILE * getFile(void)
+{
+    FILE * file;
+    char filename[50];
+
+    printf("Enter filename: ");
+    if (scanf("%s", filename) == 1)
+    {
+        file = fopen(filename, "r");
+        if (file == NULL) {
+            printf("Error file!\n");
+            return NULL;
+        } else {
+            return file;
+        }
+    } else
+    {
+        printf("Empty name!\n");
+        return NULL;
+    }
+}
+
+double * getList(FILE * file) {
+    double current;
+    int i, length = 2;
+    double * numbers = NULL;
+
+    if (fscanf(file, "%lf", &current) != 1) {
+        printf("File is empty!");
+        return numbers;
+    }
+
+    numbers = (double *)malloc(length * sizeof(double));
+    i = 1;
+
+    do {
+        if (i >= length) {
+            length *= 2;
+            numbers = (double *)realloc(numbers, (length * sizeof(double)));
+        }
+        numbers[i] = current;
+        i++;
+    } while (fscanf(file, "%lf", &current) == 1);
+
+    numbers = (double *)realloc(numbers, i * sizeof(double));
+    numbers[0] = i;
+    return numbers;
+}
diff --git a/13Ex/tools.h b/13Ex/tools.h
new file mode 100644
index 0000000..706e31a
--- /dev/null
+++ b/13Ex/tools.h
@@ -0,0 +1,10 @@
+#ifndef TOOLS
+#define TOOLS
+
+#include <stdio.h>
+#include <stdlib.h>
+
+FILE * getFile(void);
+double * getList(FILE * file);
+
+#endif
diff --git a/10Ex/count_between.c b/ProcessingSequences/10Ex/count_between.c
similarity index 100%
rename from 10Ex/count_between.c
rename to ProcessingSequences/10Ex/count_between.c
diff --git a/10Ex/count_between.h b/ProcessingSequences/10Ex/count_between.h
similarity index 100%
rename from 10Ex/count_between.h
rename to ProcessingSequences/10Ex/count_between.h
diff --git a/10Ex/input.txt b/ProcessingSequences/10Ex/input.txt
similarity index 100%
rename from 10Ex/input.txt
rename to ProcessingSequences/10Ex/input.txt
diff --git a/10Ex/main.c b/ProcessingSequences/10Ex/main.c
similarity index 100%
rename from 10Ex/main.c
rename to ProcessingSequences/10Ex/main.c
diff --git a/10Ex/makefile b/ProcessingSequences/10Ex/makefile
similarity index 100%
rename from 10Ex/makefile
rename to ProcessingSequences/10Ex/makefile
diff --git a/10Ex/tools.c b/ProcessingSequences/10Ex/tools.c
similarity index 100%
rename from 10Ex/tools.c
rename to ProcessingSequences/10Ex/tools.c
diff --git a/10Ex/tools.h b/ProcessingSequences/10Ex/tools.h
similarity index 100%
rename from 10Ex/tools.h
rename to ProcessingSequences/10Ex/tools.h
diff --git a/22Ex/input.txt b/ProcessingSequences/22Ex/input.txt
similarity index 100%
rename from 22Ex/input.txt
rename to ProcessingSequences/22Ex/input.txt
diff --git a/22Ex/main.c b/ProcessingSequences/22Ex/main.c
similarity index 100%
rename from 22Ex/main.c
rename to ProcessingSequences/22Ex/main.c
diff --git a/22Ex/make_increasing.c b/ProcessingSequences/22Ex/make_increasing.c
similarity index 100%
rename from 22Ex/make_increasing.c
rename to ProcessingSequences/22Ex/make_increasing.c
diff --git a/22Ex/make_increasing.h b/ProcessingSequences/22Ex/make_increasing.h
similarity index 100%
rename from 22Ex/make_increasing.h
rename to ProcessingSequences/22Ex/make_increasing.h
diff --git a/22Ex/makefile b/ProcessingSequences/22Ex/makefile
similarity index 100%
rename from 22Ex/makefile
rename to ProcessingSequences/22Ex/makefile
diff --git a/22Ex/tools.c b/ProcessingSequences/22Ex/tools.c
similarity index 100%
rename from 22Ex/tools.c
rename to ProcessingSequences/22Ex/tools.c
diff --git a/22Ex/tools.h b/ProcessingSequences/22Ex/tools.h
similarity index 100%
rename from 22Ex/tools.h
rename to ProcessingSequences/22Ex/tools.h
diff --git a/45Ex/input.txt b/ProcessingSequences/45Ex/input.txt
similarity index 100%
rename from 45Ex/input.txt
rename to ProcessingSequences/45Ex/input.txt
diff --git a/45Ex/main.c b/ProcessingSequences/45Ex/main.c
similarity index 100%
rename from 45Ex/main.c
rename to ProcessingSequences/45Ex/main.c
diff --git a/45Ex/makefile b/ProcessingSequences/45Ex/makefile
similarity index 100%
rename from 45Ex/makefile
rename to ProcessingSequences/45Ex/makefile
diff --git a/45Ex/solve_polynomial.c b/ProcessingSequences/45Ex/solve_polynomial.c
similarity index 100%
rename from 45Ex/solve_polynomial.c
rename to ProcessingSequences/45Ex/solve_polynomial.c
diff --git a/45Ex/solve_polynomial.h b/ProcessingSequences/45Ex/solve_polynomial.h
similarity index 100%
rename from 45Ex/solve_polynomial.h
rename to ProcessingSequences/45Ex/solve_polynomial.h
diff --git a/45Ex/tools.c b/ProcessingSequences/45Ex/tools.c
similarity index 100%
rename from 45Ex/tools.c
rename to ProcessingSequences/45Ex/tools.c
diff --git a/45Ex/tools.h b/ProcessingSequences/45Ex/tools.h
similarity index 100%
rename from 45Ex/tools.h
rename to ProcessingSequences/45Ex/tools.h
diff --git a/46Ex/input.txt b/ProcessingSequences/46Ex/input.txt
similarity index 100%
rename from 46Ex/input.txt
rename to ProcessingSequences/46Ex/input.txt
diff --git a/46Ex/main.c b/ProcessingSequences/46Ex/main.c
similarity index 100%
rename from 46Ex/main.c
rename to ProcessingSequences/46Ex/main.c
diff --git a/46Ex/makefile b/ProcessingSequences/46Ex/makefile
similarity index 100%
rename from 46Ex/makefile
rename to ProcessingSequences/46Ex/makefile
diff --git a/46Ex/solution_polynomial.c b/ProcessingSequences/46Ex/solution_polynomial.c
similarity index 100%
rename from 46Ex/solution_polynomial.c
rename to ProcessingSequences/46Ex/solution_polynomial.c
diff --git a/46Ex/solution_polynomial.h b/ProcessingSequences/46Ex/solution_polynomial.h
similarity index 100%
rename from 46Ex/solution_polynomial.h
rename to ProcessingSequences/46Ex/solution_polynomial.h
diff --git a/46Ex/tools.c b/ProcessingSequences/46Ex/tools.c
similarity index 100%
rename from 46Ex/tools.c
rename to ProcessingSequences/46Ex/tools.c
diff --git a/46Ex/tools.h b/ProcessingSequences/46Ex/tools.h
similarity index 100%
rename from 46Ex/tools.h
rename to ProcessingSequences/46Ex/tools.h
diff --git a/Fifth/get_file.c b/ProcessingSequences/Fifth/get_file.c
similarity index 100%
rename from Fifth/get_file.c
rename to ProcessingSequences/Fifth/get_file.c
diff --git a/Fifth/get_file.h b/ProcessingSequences/Fifth/get_file.h
similarity index 100%
rename from Fifth/get_file.h
rename to ProcessingSequences/Fifth/get_file.h
diff --git a/Fifth/input.txt b/ProcessingSequences/Fifth/input.txt
similarity index 100%
rename from Fifth/input.txt
rename to ProcessingSequences/Fifth/input.txt
diff --git a/Fifth/main.c b/ProcessingSequences/Fifth/main.c
similarity index 100%
rename from Fifth/main.c
rename to ProcessingSequences/Fifth/main.c
diff --git a/Fifth/makefile b/ProcessingSequences/Fifth/makefile
similarity index 100%
rename from Fifth/makefile
rename to ProcessingSequences/Fifth/makefile
diff --git a/Fifth/max_deviation.c b/ProcessingSequences/Fifth/max_deviation.c
similarity index 100%
rename from Fifth/max_deviation.c
rename to ProcessingSequences/Fifth/max_deviation.c
diff --git a/Fifth/max_deviation.h b/ProcessingSequences/Fifth/max_deviation.h
similarity index 100%
rename from Fifth/max_deviation.h
rename to ProcessingSequences/Fifth/max_deviation.h
diff --git a/Fourth/get_file.c b/ProcessingSequences/Fourth/get_file.c
similarity index 100%
rename from Fourth/get_file.c
rename to ProcessingSequences/Fourth/get_file.c
diff --git a/Fourth/get_file.h b/ProcessingSequences/Fourth/get_file.h
similarity index 100%
rename from Fourth/get_file.h
rename to ProcessingSequences/Fourth/get_file.h
diff --git a/Fourth/input.txt b/ProcessingSequences/Fourth/input.txt
similarity index 100%
rename from Fourth/input.txt
rename to ProcessingSequences/Fourth/input.txt
diff --git a/Fourth/main.c b/ProcessingSequences/Fourth/main.c
similarity index 100%
rename from Fourth/main.c
rename to ProcessingSequences/Fourth/main.c
diff --git a/Fourth/makefile b/ProcessingSequences/Fourth/makefile
similarity index 100%
rename from Fourth/makefile
rename to ProcessingSequences/Fourth/makefile
diff --git a/Fourth/max_difference.c b/ProcessingSequences/Fourth/max_difference.c
similarity index 100%
rename from Fourth/max_difference.c
rename to ProcessingSequences/Fourth/max_difference.c
diff --git a/Fourth/max_difference.h b/ProcessingSequences/Fourth/max_difference.h
similarity index 100%
rename from Fourth/max_difference.h
rename to ProcessingSequences/Fourth/max_difference.h
diff --git a/Second/count_elements.c b/ProcessingSequences/Second/count_elements.c
similarity index 100%
rename from Second/count_elements.c
rename to ProcessingSequences/Second/count_elements.c
diff --git a/Second/count_elements.h b/ProcessingSequences/Second/count_elements.h
similarity index 100%
rename from Second/count_elements.h
rename to ProcessingSequences/Second/count_elements.h
diff --git a/Second/get_file.c b/ProcessingSequences/Second/get_file.c
similarity index 100%
rename from Second/get_file.c
rename to ProcessingSequences/Second/get_file.c
diff --git a/Second/get_file.h b/ProcessingSequences/Second/get_file.h
similarity index 100%
rename from Second/get_file.h
rename to ProcessingSequences/Second/get_file.h
diff --git a/Second/input.txt b/ProcessingSequences/Second/input.txt
similarity index 100%
rename from Second/input.txt
rename to ProcessingSequences/Second/input.txt
diff --git a/Second/main.c b/ProcessingSequences/Second/main.c
similarity index 100%
rename from Second/main.c
rename to ProcessingSequences/Second/main.c
diff --git a/Second/makefile b/ProcessingSequences/Second/makefile
similarity index 100%
rename from Second/makefile
rename to ProcessingSequences/Second/makefile
diff --git a/Sixth/exp_weigh_avg.c b/ProcessingSequences/Sixth/exp_weigh_avg.c
similarity index 100%
rename from Sixth/exp_weigh_avg.c
rename to ProcessingSequences/Sixth/exp_weigh_avg.c
diff --git a/Sixth/exp_weigh_avg.h b/ProcessingSequences/Sixth/exp_weigh_avg.h
similarity index 100%
rename from Sixth/exp_weigh_avg.h
rename to ProcessingSequences/Sixth/exp_weigh_avg.h
diff --git a/Sixth/input.txt b/ProcessingSequences/Sixth/input.txt
similarity index 100%
rename from Sixth/input.txt
rename to ProcessingSequences/Sixth/input.txt
diff --git a/Sixth/main.c b/ProcessingSequences/Sixth/main.c
similarity index 100%
rename from Sixth/main.c
rename to ProcessingSequences/Sixth/main.c
diff --git a/Sixth/makefile b/ProcessingSequences/Sixth/makefile
similarity index 100%
rename from Sixth/makefile
rename to ProcessingSequences/Sixth/makefile
diff --git a/Sixth/tools.c b/ProcessingSequences/Sixth/tools.c
similarity index 100%
rename from Sixth/tools.c
rename to ProcessingSequences/Sixth/tools.c
diff --git a/Sixth/tools.h b/ProcessingSequences/Sixth/tools.h
similarity index 100%
rename from Sixth/tools.h
rename to ProcessingSequences/Sixth/tools.h
diff --git a/Third/count_max_local.c b/ProcessingSequences/Third/count_max_local.c
similarity index 100%
rename from Third/count_max_local.c
rename to ProcessingSequences/Third/count_max_local.c
diff --git a/Third/count_max_local.h b/ProcessingSequences/Third/count_max_local.h
similarity index 100%
rename from Third/count_max_local.h
rename to ProcessingSequences/Third/count_max_local.h
diff --git a/Third/get_file.c b/ProcessingSequences/Third/get_file.c
similarity index 100%
rename from Third/get_file.c
rename to ProcessingSequences/Third/get_file.c
diff --git a/Third/get_file.h b/ProcessingSequences/Third/get_file.h
similarity index 100%
rename from Third/get_file.h
rename to ProcessingSequences/Third/get_file.h
diff --git a/Third/input.txt b/ProcessingSequences/Third/input.txt
similarity index 100%
rename from Third/input.txt
rename to ProcessingSequences/Third/input.txt
diff --git a/Third/main.c b/ProcessingSequences/Third/main.c
similarity index 100%
rename from Third/main.c
rename to ProcessingSequences/Third/main.c
diff --git a/Third/makefile b/ProcessingSequences/Third/makefile
similarity index 100%
rename from Third/makefile
rename to ProcessingSequences/Third/makefile