#include<iostream>
#include<string>
#include<vector>
using namespace std;

int main() {
	int a, b, c, d;
	cin >> a >> b >> c >> d;
	if (d) {
		cout << "SURVIVED" << endl;
		return 0;
	}
	if(a+b+c<=1)cout << "SURVIVED" << endl;
	else cout << "DEAD" << endl;
	return 0;
}