#include <stdio.h>
int power(int x, int n) {
if(n==0) {
return 1;
} else {
return x*power(x,n-1);
}
}
int main(void) {
int a,b;
return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+CgppbnQgcG93ZXIoaW50IHgsIGludCBuKSB7CglpZihuPT0wKSB7CgkJcmV0dXJuIDE7Cgl9IGVsc2UgewoJCXJldHVybiB4KnBvd2VyKHgsbi0xKTsKCX0KCQp9CgppbnQgbWFpbih2b2lkKSB7CglpbnQgYSxiOwoJCglzY2FuZigiJWQiLCAmYSk7CglzY2FuZigiJWQiLCAmYik7CglwcmludGYoIiVkIixwb3dlcihhLGIpKTsKCXJldHVybiAwOwp9Cg==