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++;

            }

        }

​

        ;

    }

}