using System;

public class Program

{

    public static void Main()

    {

        for (int i = 0; i <= 999; i++)

        {

            if (!Rule1(i) || !Rule2(i) || !Rule3(i) || !Rule4(i) || !Rule5(i))

            {

                continue;

            }

​

            Console.WriteLine(Stringify(i));

        }

​

        static string Stringify(int i) => i.ToString("D3");

​

        static bool Rule1(int i)

        {

           var x = Stringify(i);

            var occurence = 0;

           if (x[0] == '6' && x[1] != '8' && x[1] != '2' && x[2] != '2' && x[2] != '8') occurence++;

           if (x[0] != '6' && x[0] != '2' && x[1] == '8' && x[2] != '2' && x[2] != '8') occurence++;

           if (x[0] != '6' && x[0] != '8' && x[1] != '8' && x[1] != '6' && x[2] == '2') occurence++;

           return occurence == 1;

        }

​

        static bool Rule2(int i)

        {

           var x = Stringify(i);

           var occurence = 0;

           if (x[0] != '6' && x.Contains('6')) occurence++;

           if (x[1] != '1' && x.Contains('1')) occurence++;

           if (x[2] != '4' && x.Contains('4')) occurence++;

           return occurence == 1;

        }

​

        static bool Rule3(int i)

        {

           var x = Stringify(i);

           var occurence = 0;

           if (x[0] != '2' && x.Contains('2')) occurence++;

           if (x[1] != '0' && x.Contains('0')) occurence++;

           if (x[2] != '6' && x.Contains('6')) occurence++;

           return occurence == 2;

        }

​

        static bool Rule4(int i)

        {

           var x = Stringify(i);

           if (x.Contains('7') || x.Contains('3') || x.Contains('8')) return false;

           return true;

        }

​

        static bool Rule5(int i)

        {

           var x = Stringify(i);

           var occurence = 0;

           if (x[0] != '7' && x.Contains('7')) occurence++;

           if (x[1] != '8' && x.Contains('8')) occurence++;

           if (x[2] != '0' && x.Contains('0')) occurence++;

           return occurence == 1;

        }

    }

}