import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int l = sc.nextInt();
		int m = sc.nextInt();
		int n = sc.nextInt();
		int s = sc.nextInt();
		if(s == 1) {
			System.out.println("SURVIVED");
		} else {
			int cntDead = 0;
			if (l == 1) {
				cntDead++;
			}
			if(m == 1) {
				cntDead++;
			}
			if(n == 1) {
				cntDead++;
			}
			if(cntDead >= 2) {
				System.out.println("DEAD");
			} else {
				System.out.println("SURVIVED");
			}
		}
	}
}