using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace _10.Rage_Quit
{
    class Program
    {
        static void Main(string[] args)
        {
            string input = Console.ReadLine().ToUpper();
            List<char> nonRepeatedSymbols = input.Where(x => !char.IsDigit(x)).Distinct().ToList();
            Console.WriteLine($"Unique symbols used: {nonRepeatedSymbols.Count}");

            typeRepeatedStrings(input);


        }

        private static void typeRepeatedStrings(string input)
        {
            List<char> uniqueSymbols = new List<char>();

            StringBuilder currentString = new StringBuilder();

            for (int i = 0; i < input.Length; i++)
            {
                if (!char.IsDigit(input[i]))
                {
                    currentString.Append(input[i]);
                }
                else if (char.IsDigit(input[i]))
                {
                    for (int j = 0; j < char.GetNumericValue(input[i]); j++)
                    {
                        Console.Write(currentString);
                    }
                    currentString.Clear();
                }
            }
        }
    }
}