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 = m + n + s;
			System.out.println(cntDead == 2 ? "SURVIVED" : "DEAD");
		}
	}
}