#include <stdio.h>
int main(void) {
// your code goes here
return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+CgppbnQgbWFpbih2b2lkKSB7CgkvLyB5b3VyIGNvZGUgZ29lcyBoZXJlCiAgICBwcmludGYoIuadjuWYiemTrVxuIik7CiAgICBwcmludGYoIumrmOS4reavleS4muS6jumTtuW3neW4guesrOS4ieWNgeS4gOS4reWtplxuIik7CiAgICBwcmludGYoIumrmOiAg+WIhuaVsO+8mjUwOVxuIik7CglyZXR1cm4gMDsKfQo=