#include <stdio.h>
#include <stdlib.h>
int main() {
int* x
= NULL
, *y
= (int*)malloc(sizeof(int)); return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+CiNpbmNsdWRlIDxzdGRsaWIuaD4KIAppbnQgbWFpbigpIHsKICAgIGludCogeCA9IE5VTEwsICp5ID0gKGludCopbWFsbG9jKHNpemVvZihpbnQpKTsKICAgIHByaW50ZigiJXhcbiV4IiwgeCwgeSk7CiAgICByZXR1cm4gMDsKfQ==