diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..439e6d4
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,6 @@
+{
+  "files.associations": {
+    "head.h": "c",
+    "unistd.h": "c"
+  }
+}
diff --git a/PROJECT/func.c b/PROJECT/func.c
index afee160..68fa35d 100644
--- a/PROJECT/func.c
+++ b/PROJECT/func.c
@@ -1,8 +1,7 @@
 #include <stdio.h>
-#include <math.h>
 #include <signal.h>
 #include <unistd.h>
-#include <pthread.h>
+#include <math.h>
 
 double f(double x)
 {
@@ -19,20 +18,19 @@ void find_zero(double *pa, double *pb, double eps, double *px)
     printf("Текущее приближение: %lf\n", *px);
 }
 
-void ctrlc_handler(int signum)
+void ctrlc_handler(int signum, char *ch)
 {
-    int sig;
-    sigset_t *set = (sigset_t *)signum;
-
-    while (1)
-    {
-        sigwait(set, &sig);
-        if (sig == SIGINT)
-        {
-            printf("\nПолучен сигнал Ctrl+C\n");
-            printf("Продолжить поиск корня? (C - продолжить, A - закончить работу программы, R - начать поиск на другом отрезке): ");
-        }
-    }
+    printf("\nПолучен сигнал Ctrl+C\n");
+    printf("\nПродолжить поиск корня? (C - продолжить, A - закончить работу программы, R - начать поиск на другом отрезке): \n");
 }
-// void choose_path(char *choice);
+
+// void choose_path()
+// {
+//     char choice = getchar();
+//     if(choice == 'A')
+//         break;
+//     else if(choice == 'C')
+//         find_zero()
+
+// }
 // void new_row(double *pa, double *pb);
\ No newline at end of file
diff --git a/PROJECT/main.c b/PROJECT/main.c
index e1ac274..fd93e1f 100644
--- a/PROJECT/main.c
+++ b/PROJECT/main.c
@@ -1,53 +1,41 @@
 #include <stdio.h>
 #include <signal.h>
 #include <unistd.h>
-#include <pthread.h>
+#include <math.h>
 
-double f(double x);                                             // function x
-void find_zero(double *pa, double *pb, double eps, double *px); //
-void ctrlc_handler(int signum);
-// void choose_path(char *choice);
-// void new_row(double *pa, double *pb);
+double f(double x);
+void find_zero(double *pa, double *pb, double eps, double *px);
+void ctrlc_handler(int signum, char *ch);
+void choose_path();
+void new_row(double *pa, double *pb);
 
 int main()
 {
     double a, b, eps, x, *pa = &a, *pb = &b, *px = &x;
-    char choice = ' ', *ch = &choice;
-    pthread_t thread;
-    sigset_t set;
+    char choice, *ch = &choice;
+    struct sigaction sa;
+    sa.sa_handler = ctrlc_handler(, ch);
+    sa.sa_flags = 0;
+    sigemptyset(&sa.sa_mask);
 
     printf("Введите интервал [a, b] и точность eps: ");
     scanf("%lf %lf %lf", pa, pb, &eps);
+    find_zero(pa, pb, eps, px);
 
-    // Создание набора сигналов и добавление в него SIGINT
-    sigemptyset(&set);
-    sigaddset(&set, SIGINT);
-
-    // Блокировка сигналов в наборе для основного потока
-    if (pthread_sigmask(SIG_BLOCK, &set, NULL) != 0)
+    if (sigaction(SIGINT, &sa, NULL) == -1)
     {
-        perror("pthread_sigmask");
-        return 1;
-    }
-
-    // Создание потока для обработчика сигнала
-    if (pthread_create(&thread, NULL, ctrlc_handler, &set) != 0)
-    {
-        perror("pthread_create");
+        perror("sigaction");
         return 1;
     }
 
     printf("Ожидание сигнала Ctrl+C...\n");
 
-    find_zero(pa, pb, eps, px);
     while (1)
     {
         sleep(1);
     }
 
-    signal(SIGINT, ctrlc_handler);
-
-    printf("Корень уравнения: %lf\n", *px);
+    printf("\nКорень уравнения: %lf\n", *px);
     printf("Работа программы завершена.\n");
 
     return 0;
diff --git a/PROJECT/out_p/prog3 b/PROJECT/out_p/prog3
deleted file mode 100755
index 0dc01f3..0000000
Binary files a/PROJECT/out_p/prog3 and /dev/null differ
diff --git a/PROJECT/out_p/prog4 b/PROJECT/out_p/prog4
new file mode 100755
index 0000000..fb1721b
Binary files /dev/null and b/PROJECT/out_p/prog4 differ
diff --git a/PROJECT/try/out/app1 b/try/out/app1
similarity index 100%
rename from PROJECT/try/out/app1
rename to try/out/app1
diff --git a/PROJECT/try/test.c b/try/test.c
similarity index 100%
rename from PROJECT/try/test.c
rename to try/test.c
diff --git a/PROJECT/try/var1.c b/try/var1.c
similarity index 100%
rename from PROJECT/try/var1.c
rename to try/var1.c
diff --git a/PROJECT/try/var2.c b/try/var2.c
similarity index 100%
rename from PROJECT/try/var2.c
rename to try/var2.c