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

class MainClass {

  public static string QuestionsMarks(string str) {
      string clean = Regex.Replace(str, @"([^\d\?])", string.Empty);
      var matches = Regex.Matches(clean, @"(\d)(\?{3})(\d)");
      var results = new List<int>();

      foreach (Match m in matches){
        int a = Convert.ToInt32(m.Value.First().ToString());
        int b = Convert.ToInt32(m.Value.Last().ToString());

        results.Add(a+b);
      }

      string final = results.Count != 0 && results.All<int>(r => r == 10) ? "true" : "false";

      return final;
  }

  // keep this function call here
  static void Main() {


    Console.WriteLine(QuestionsMarks(Console.ReadLine()));
    
  } 

}