diff --git a/task1.cpp b/task1.cpp
deleted file mode 100644
index f921a22..0000000
--- a/task1.cpp
+++ /dev/null
@@ -1,20 +0,0 @@
-#include <iostream>
-using namespace std;
-
-int main() {
-    int n;
-    cout << "Enter a four-digit number: ";
-    cin >> n;
-
-    if (n < 1000 || n > 9999) {
-        cout << "Error! This is not a four-digit number." << endl;
-    } else {
-        int a = n / 1000;
-        int b = (n / 100) % 10;
-        int c = (n / 10) % 10;
-        int d = n % 10;
-        int r = c * 1000 + d * 100 + a * 10 + b;
-        cout << "Result: " << r << endl;
-    }
-    return 0;
-}