using System;
using System.Linq;

namespace No355{
    public class Program{
        public static void Main(string[] args){
            Func<string, int[]> output = s =>{
                if(s.Distinct().Count() != s.Length) return new [] {-1, -1};
                Console.WriteLine(string.Join(" ", s.ToCharArray()));
                return Array.ConvertAll(Console.ReadLine().Split(' '), int.Parse);
            };

            var random = new Random();
            while(true){
                var i = random.Next(10000);
                var x = output(i.ToString("0000"));
                if(x[0] == 4) return;
            }
        }
    }
}