#include <stdio.h>
int main(void)
{
// your code goes here
return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+CmludCBtYWluKHZvaWQpIAp7CgkvLyB5b3VyIGNvZGUgZ29lcyBoZXJlCnByaW50Zigi5a2Z5qyj6ZuoXG4iKTsJCnByaW50Zigi5q+V5Lia5LqO5q2m5rGJ5biC6YeR6ZO25rmW6auY57qn5Lit5a2mXG4iKTsKcHJpbnRmKCLpq5jogIPliIbmlbA3MDBcbiIpOwpyZXR1cm4gMDsKfQo=