using System;

using System.Security.Cryptography;

public class Program

{

    public static void Main()

    {

        RandomNumberGenerator randomNumberGenerator = RandomNumberGenerator.Create();

        var bytes = new byte[4];

        randomNumberGenerator.GetBytes(bytes);

        uint random = BitConverter.ToUInt32(bytes, 0) % 1000000;

        string result = String.Format("{0:D}", random);

        Console.WriteLine(result);

    }

}