diff --git a/project/ada_712.tar b/project/ada_712.tar
deleted file mode 100644
index d5e23ed..0000000
Binary files a/project/ada_712.tar and /dev/null differ
diff --git a/project/ada_712/functions.c b/project/ada_712/functions.c
index 65d501d..946630e 100644
--- a/project/ada_712/functions.c
+++ b/project/ada_712/functions.c
@@ -143,7 +143,7 @@ R - начать поиск на другом отрезке: \n");
             printf("Ошибка ввода, повторная попытка...\n");
             __fpurge(stdin);
         }
-    } while (choice != 'A' || choice != 'R' || choice != 'C' || choice != 'a' || choice != 'r' || choice != 'c' || choice != 'M' || choice != 'm');
+    } while (choice != 'A' || choice != 'R' || choice != 'C' || choice != 'a' || choice != 'r' || choice != 'c');
 
     // Применение новых настроек терминала
     tcsetattr(0, TCSANOW, &default_term);
diff --git a/project/ver1.6/functions.c b/project/ver1.6/functions.c
index 65d501d..946630e 100644
--- a/project/ver1.6/functions.c
+++ b/project/ver1.6/functions.c
@@ -143,7 +143,7 @@ R - начать поиск на другом отрезке: \n");
             printf("Ошибка ввода, повторная попытка...\n");
             __fpurge(stdin);
         }
-    } while (choice != 'A' || choice != 'R' || choice != 'C' || choice != 'a' || choice != 'r' || choice != 'c' || choice != 'M' || choice != 'm');
+    } while (choice != 'A' || choice != 'R' || choice != 'C' || choice != 'a' || choice != 'r' || choice != 'c');
 
     // Применение новых настроек терминала
     tcsetattr(0, TCSANOW, &default_term);