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);
            };

            int[] res;
            var random = new Random();
            while(true){
                var i = random.Next(10000);
                var x = output(i.ToString("0000"));
                if(x[0] == 4) return;
                if(x[0] == 0 && x[1] == 0){
                    res = i.ToString("0000").Select(c => c - '0').ToArray();
                    break;
                }
            }
            
            for(var i = 0; i < 4; i++){
                for(var j = 0; j < 10; j++){
                    res[i] = j;
                    var x = output(string.Join("", res));
                    if(x[0] == i + 1) break;
                }
            }
        }
    }
}