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

class Program
{
    static void Main(string[] args)
    {
        var N = int.Parse(Console.ReadLine());
        var ss = "";
        var flag = 0;

        if (N == 10)
        {
            N--;
            flag = 1;
        }

        for (int i = 1; i <= N; i++)
        {
            for (int j = 0; j < N; j++)
                ss += i.ToString();
        }

        if (flag == 1) ss += "0000000000";
        Console.WriteLine(ss);
    }
}