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

namespace yukikoda
{
    class Program
    {
        static void Main(string[] args)
        {
            int[] a = ConvertStringArrayToIntArray(Console.ReadLine().Split());

            if (a[3] == 1)
            {
                Console.WriteLine("SURVIVED");
                return;
            }

            int cnt = 0;

            if (a[0] == 1) cnt++;
            if (a[1] == 1) cnt++;
            if (a[2] == 1) cnt++;

            if (cnt >= 2)
            {
                Console.WriteLine("DEAD");
            }else
            {
                Console.WriteLine("SURVIVED");
            }


        }

        static int[] ConvertStringArrayToIntArray(string[] array)
        {
            return Array.ConvertAll(array, str => int.Parse(str));
        }
    }
}