#include <stdio.h>
 
int main(void) {
	// your code goes here
	int i,j,n;
    for(i=0;i<n;i++)
    {
        for(j=n;j>n-5+i;j--)
        {
        }
        for(j=-1;j<i-1;j++)
        {
 
        }
 
 
    }
return 0;
 
}
 
				I2luY2x1ZGUgPHN0ZGlvLmg+CgppbnQgbWFpbih2b2lkKSB7CgkvLyB5b3VyIGNvZGUgZ29lcyBoZXJlCglpbnQgaSxqLG47CiAgICBzY2FuZigiJWQiLCZuKTsKICAgIGZvcihpPTA7aTxuO2krKykKICAgIHsKICAgICAgICBmb3Ioaj1uO2o+bi01K2k7ai0tKQogICAgICAgIHsKICAgICAgICAgICAgcHJpbnRmKCIqIik7ICAgICAgIAogICAgICAgIH0KICAgICAgICBmb3Ioaj0tMTtqPGktMTtqKyspCiAgICAgICAgewogICAgICAgICAgICBwcmludGYoImIiKTsKICAgICAgICAgICAgCiAgICAgICAgfQogICAgICAgIAogICAgICAgIAogICAgICAgIHByaW50ZigiXG4iKTsKICAgIH0KcmV0dXJuIDA7CgkKfQo=