diff --git a/C/Sheet_1/SwappingWithoutThirdVariable.c b/C/Sheet_1/SwappingWithoutThirdVariable.c
index 74b59d4..db502f5 100644
--- a/C/Sheet_1/SwappingWithoutThirdVariable.c
+++ b/C/Sheet_1/SwappingWithoutThirdVariable.c
@@ -6,9 +6,9 @@ int main() {
 
     printf("Before the swapping of: a = %d, b = %d\n", a, b);
 
-    a = a ^ b;
-    b = a ^ b;
-    a = a ^ b;
+    a = a + b;
+    b = a - b;
+    a = a - b;
 
     printf("After the swapping of: a = %d, b = %d\n", a, b);