#include <stdio.h>
int main(void) {
// your code goes here
int rows,i,j,n;
for(i=1;i<=1;i++)
{
for(j=1;j<=1;j++)
{
}
}
return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+CgppbnQgbWFpbih2b2lkKSB7CgkvLyB5b3VyIGNvZGUgZ29lcyBoZXJlCiAgICAgICAgaW50IHJvd3MsaSxqLG47CiAgICAgICAgICBwcmludGYoImVudGVyIG5vLm9mIHJvd3M6Iik7CiAgICAgICAgICBzY2FuZigiJWQiLCZyb3dzKTsKICAgICAgICAgICBmb3IoaT0xO2k8PTE7aSsrKQogICAgICAgICAgICB7CiAgICAgICAgICAgIGZvcihqPTE7ajw9MTtqKyspCiAgICAgICAgICAgICB7CiAgICAgICAgICAgICAgcHJpbnRmKCIqIik7CiAgICAgICAgICAgICAgfQogICAgICAgICAgICAgIHByaW50ZigiXG4iKTsKICAgICAgICAgICAgICAgfQoJcmV0dXJuIDA7Cn0K