#include <stdio.h>
int main(void) {
// your code goes here
int rows,i,j;
for(i=1;i<=1;i++)
{
for(j=1;j<=1;j++)
{
}
}
return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+CgppbnQgbWFpbih2b2lkKSB7CgkvLyB5b3VyIGNvZGUgZ29lcyBoZXJlCiAgICAgICAgaW50IHJvd3MsaSxqOwogICAgICAgICAgcHJpbnRmKCJlbnRlciBuby5vZiByb3dzOiIpOwogICAgICAgICAgc2NhbmYoIiVkIiwmcm93cyk7CiAgICAgICAgICAgZm9yKGk9MTtpPD0xO2krKykKICAgICAgICAgICAgewogICAgICAgICAgICBmb3Ioaj0xO2o8PTE7aisrKQogICAgICAgICAgICAgewogICAgICAgICAgICAgIHByaW50ZigiaSIpOwogICAgICAgICAgICAgIH0KICAgICAgICAgICAgICB9CglyZXR1cm4gMDsKfQo=