import java.util.*;
class y431 {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int[] f = new int[4];
		for (int i=0; i<4; i++)	f[i]=sc.nextInt();
		System.out.println((((f[0]+f[1]+f[2])<2)||(f[3]>0))?"SURVIVED":"DEAD");
		sc.close();
	}
}