using System;
using static System.Console;
using System.Linq;
using System.Collections.Generic;
using System.Runtime.Intrinsics.Arm;

class Program
{
    static int NN => int.Parse(ReadLine());
    static int[] NList => ReadLine().Split().Select(int.Parse).ToArray();
    static string[] SList(long n) => Enumerable.Repeat(0, (int)n).Select(_ => ReadLine()).ToArray();
    public static void Main()
    {
        Solve();
    }
    static void Solve()
    {
        var n = NN;
        for (var i = 1; i <= n && i < 10; ++i) for (var j = 0; j < n; ++j) Write(i);
        if (n == 10) for (var j = 0; j < n; ++j) Write(0);
        Write('\n');
    }
}