#include <stdio.h>
int main(void) {
int x;
return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+CgppbnQgbWFpbih2b2lkKSB7CglpbnQgeDsKCXNjYW5mKCIgJWkiLCAmeCk7CglwcmludGYoIiVkXG4iLCB4KTsKCXNjYW5mKCIgJWkiLCAmeCk7CglwcmludGYoIiVkXG4iLCB4KTsKCXNjYW5mKCIgJWkiLCAmeCk7CglwcmludGYoIiVkXG4iLCB4KTsKCXJldHVybiAwOwp9Cg==