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

namespace _01.Birthday
{
    class Program
    {
        static void Main(string[] args)
        {


            int hundreds = int.Parse(Console.ReadLine());
            int tenths = int.Parse(Console.ReadLine());
            int units = int.Parse(Console.ReadLine());

            for (int hundred = 1; hundred <= hundreds; hundred++)
            {
                for (int tent = 1; tent <= tenths; tent++)
                {
                    for (int uni = 1; uni <= units; uni++)
                    {
                        bool isPrime = true;

                        if (tent == 1) isPrime = false;
                        if (tent % 2 == 0) isPrime = false;

                        var boundary = (int)Math.Ceiling(Math.Sqrt(tent));

                        for (int i = 3; i <= boundary; i += 2)
                        {
                            if (tent % i == 0) isPrime = false;
                        }

                        if (tent == 2) isPrime = true;


                        if (hundred % 2 == 0 && uni % 2 == 0 && isPrime)
                        {
                            Console.WriteLine($"{hundred}{tent}{uni}");

                        }
                    }
                }
            }
        }
    }
}