using System;
public class Test
{
public static void Main()
{
int a = 1;
Foo(ref a, ref a);
Console.WriteLine(a);
}
public static void Foo(ref int x, ref int y)
{
x = 5;
y = 6;
}
}
dXNpbmcgU3lzdGVtOwoKcHVibGljIGNsYXNzIFRlc3QKewoJcHVibGljIHN0YXRpYyB2b2lkIE1haW4oKQoJewoJCWludCBhID0gMTsKCQlGb28ocmVmIGEsIHJlZiBhKTsKCQlDb25zb2xlLldyaXRlTGluZShhKTsKCX0KCQoJcHVibGljIHN0YXRpYyB2b2lkIEZvbyhyZWYgaW50IHgsIHJlZiBpbnQgeSkKCXsKCQl4ID0gNTsKCQl5ID0gNjsKCX0KfQ==