import java.util.Scanner;
import java.util.Arrays;
import java.math.BigDecimal;

public class a{
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
		int a=sc.nextInt();
		int b=sc.nextInt();
		int c=sc.nextInt();
		int d=sc.nextInt();
		
		if(d==1){
			System.out.println("SURVIVED");
		}else if(a==1&&b==1 || a==1&&c==1 || b==1&&c==1){
			System.out.println("SURVIVED");
		}else{
			System.out.println("DEAD");
		}
    }
}