using System;
public class Test
{
public static void Main()
{
int a = 5;
int b = 12;
a += b;
b -= b += b;
b += a;
a -= b;
Console.WriteLine(a + " " + b);
}
}
dXNpbmcgU3lzdGVtOwoKcHVibGljIGNsYXNzIFRlc3QKewoJcHVibGljIHN0YXRpYyB2b2lkIE1haW4oKQoJewoJCWludCBhID0gNTsKICAgICAgICBpbnQgYiA9IDEyOwogICAgICAgIGEgKz0gYjsKICAgICAgICBiIC09IGIgKz0gYjsKICAgICAgICBiICs9IGE7CiAgICAgICAgYSAtPSBiOwogICAgICAgIENvbnNvbGUuV3JpdGVMaW5lKGEgKyAiICIgKyBiKTsKCX0KfQ==