#include <stdio.h>
int ler_inteiro(){
static int num;
while (scanf("%d", &num
) != 1){ static char temp[256];
fgets(temp
, sizeof(temp
), stdin
); }
return num;
}
int main() {
int x = ler_inteiro();
int y = ler_inteiro();
return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+CgppbnQgbGVyX2ludGVpcm8oKXsKICAgIHN0YXRpYyBpbnQgbnVtOwogICAgd2hpbGUgKHNjYW5mKCIlZCIsICZudW0pICE9IDEpewogICAgICAgIHN0YXRpYyBjaGFyIHRlbXBbMjU2XTsKICAgICAgICBmZ2V0cyh0ZW1wLCBzaXplb2YodGVtcCksIHN0ZGluKTsKICAgICAgICBwcmludGYoIkRpZ2l0ZSB1bSBudW1lcm8gIik7CiAgICB9CiAgICByZXR1cm4gbnVtOwp9CgppbnQgbWFpbigpIHsKCiAgICBpbnQgeCA9IGxlcl9pbnRlaXJvKCk7CiAgICBpbnQgeSA9IGxlcl9pbnRlaXJvKCk7CgogICAgcHJpbnRmKCIlZCAlZCIsIHgsIHkpOwoKICAgIHJldHVybiAwOwp9Cg==