import java.util.*;
 
public class Main {
	public static void main(String[] args) {
 
		Scanner sc  = new Scanner(System.in);

		int o= 0 ,p = 0,q = 0;

int a = Integer.parseInt(sc.next());
int b = Integer.parseInt(sc.next());
int c = Integer.parseInt(sc.next());
int d = Integer.parseInt(sc.next());
//	    int[] test  = new int[100000];
//      char[] c1 = s1.toCharArray();
/*
        while(true){
            test[o] = Integer.parseInt(sc.next());
            o++;
            if(o==s)break;
        }
*/
        if(a==1)o++;
        if(b==1)o++;
        if(c==1)o++;
        if(d==1)o-=5;
        
        if(o>1)System.out.print("DEAD");
        else System.out.print("SURVIVED");
        System.out.println();
	}
}