#include <stdio.h>
int main(void) {
int n;
char hex_val[50];
return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+CgppbnQgbWFpbih2b2lkKSB7IAoJaW50IG47CgljaGFyIGhleF92YWxbNTBdOwoJCgluID0gYXRvaSgiMTAwNjYzMjk2Iik7CglzcHJpbnRmKGhleF92YWwsICIleCIsIG4pOwoJCglwcmludGYoIiVzIiwgaGV4X3ZhbCk7CglyZXR1cm4gMDsKfQo=