#include <bits/stdc++.h>
using namespace std;
int main()
{
    vector<int> v(4);
    for( auto &&x : v ) cin >> x;
    
    cout << ( v[3] == 1 ? "SURVIVED" : 
             accumulate( v.begin(), v.end(), 0 ) < 2 ? "SURVIVED" : "DEAD" ) << endl;
    
    return 0;
}