#include <stdio.h>
int main ()
{
char str[30];
//scanf("%[^\n]",str);
}
I2luY2x1ZGUgPHN0ZGlvLmg+CgppbnQgbWFpbiAoKQp7CmNoYXIgc3RyWzMwXTsKIHByaW50ZigiRW50ZXIgdGhlIHN0cmluZ1xuIik7CiAvL3NjYW5mKCIlW15cbl0iLHN0cik7CiBzY2FuZigiJVthZWlvdV0iLHN0cik7CiBwcmludGYoIiVzIixzdHIpOwp9Cg==