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

class Program
{
    static void Main()
    {
       int score = int.Parse(Console.ReadLine());
            if (score <= 0 || score > 9)
            {
                Console.WriteLine("Invalid score");
            }
            if(score > 0 && score<=3 )
            {
                score = score * 10;
                Console.WriteLine(score);
            }
            if (score >= 3 && score <= 6)
            {
                score = score * 100;
                Console.WriteLine(score);
            }
            if (score >= 7 && score <= 9)
            {
                score = score * 1000;
                Console.WriteLine(score);
            }

    }
}