using System;
public class Program
{
public static void Main()
string input = "pj40HqRKza4bhpl5xLsljC8go";
int index = 3, offest = 4;
while (offest < 4)
Console.Write(input[index + offest]);
index += 4;
if (index >= input.Length)
index = 0;
offest++;
}
;