#include <stdio.h>
void hoge(int n){
if(n>1){
hoge(n-1);
}
}
int main() {
int n;
hoge(n);
return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+CnZvaWQgaG9nZShpbnQgbil7CglpZihuPjEpewoJCWhvZ2Uobi0xKTsKfQpwcmludGYoIiVkIixuKTsKfQppbnQgbWFpbigpIHsKCWludCBuOwoJc2NhbmYoIiVkIiwmbik7Cglob2dlKG4pOwoJcmV0dXJuIDA7Cn0K