diff --git a/Swap-without-third-variable/trivial(addition) with void.cpp b/Swap-without-third-variable/trivial(addition) with void.cpp
new file mode 100644
index 0000000..7f10bd8
--- /dev/null
+++ b/Swap-without-third-variable/trivial(addition) with void.cpp	
@@ -0,0 +1,11 @@
+#include <iostream>
+using namespace std;
+
+void main() {
+	int a=10, b=20;
+	a=a+b;
+	b=a-b;
+	a=a-b;
+	cout<<a<<" "<<b;
+	
+}