#include <bits/stdc++.h>
using namespace std;

int main() {
    int a, b, c, d;
    cin >> a >> b >> c >> d;

    if (d or (a + b + c < 2)) {
        cout << "SURVIVED" << '\n';
    } else {
        cout << "DEAD" << '\n';
    }
    
    return 0;
}