calc: разность

Source.cpp

@@ -10,5 +10,5 @@ int main()
 	int a, b;
 	cin >> a >> b;
 
-	cout << "A + B = " << a + b << '\n';
+	cout << "A + B = " << a + b << '\n' << "A - B = " << a - b << '\n';
 }