using System;

public class Program

{

    public static void Main()

    {

        // Create a function that, when fed the inputs below, produce the sample outputs shown.

        // Examples

        // "A435C2" ➞ "AAAABBBBBCC"

        // "C2F1E5" ➞ "CCFEEEEE"

        // "T4S2V2" ➞ "TTTTSSVV"

        // "A1B2C3D4" ➞ "ABBCCCDDDD"

​

        Console.WriteLine("Hello World");

    }

}