using System;

using System.Text;

public class Program

{

    public static string CompressedStr(string str) {

        var res = new StringBuilder();

        int index = 0;

​

        while (index < str.Length)

        {

            int count = 0;

            var curr = str[index];

​

            while(index < str.Length && count < 9 && str[index] == curr) {

                count++;

                index++;

            }

​

            res.Append(count).Append(curr);

        }

​

        return res.ToString();

    }

    public static void Main()

    {

        Console.WriteLine("UniLecs");

        // tests

        Console.WriteLine(CompressedStr("abcde")); // "1a1b1c1d1e"

        Console.WriteLine(CompressedStr("aaaaaaaaaaaaaabb")); // "9a5a2b"

    }

}