import java.util.Scanner;

public class A{
    public static void main(String[] args){
        Scanner s = new Scanner(System.in);
        int d[] = new int[4];
        int cut=0;
        
        for(int i=0;i<4;i++){
            d[i] = Integer.parseInt(s.next());
            if(d[i] == 1){
                cut++;
            }
            if(i == 3 && d[3] == 1){
                System.out.println("SURVIVED");
            }
            if(cut>=2){
                System.out.println("DEAD");
            }
        }
        System.out.println("SURVIVED");
        
    }
}