using System;
using System.Linq;

class Program
{
    const string MSG_SURVIVED = "SURVIVED";
    const string MSG_DEAD = "DEAD";
    static void Main(string[] args)
    {
        var flags = Console.ReadLine().Split(' ');
        var survivalFlag = flags.Last();
        flags = flags.Take(3).ToArray();
        if (survivalFlag == "1") Console.WriteLine(MSG_SURVIVED);
        else if (flags.Count(x => x == "1") < 2) Console.WriteLine(MSG_SURVIVED);
        else Console.WriteLine(MSG_DEAD);
    }
}