#include <algorithm>
#include <cstdio>
#include <iostream>
#include <map>
#include <cmath>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <string>
#include <vector>
#include <stdlib.h>
#include <stdio.h>
#include <bitset>
using namespace std;
#define FOR(I,A,B) for(int I = (A); I < (B); ++I)
typedef long long ll;

int main(){
  int d[4];
  FOR(i,0,4){
    cin >> d[i];
  }
  if(d[3]){
    cout << "SURVIVED" << endl;
  } else {
    int flag = 0;
    FOR(i,0,3) {
      if(d[i]) flag++;
    }
    if(flag < 2) {
      cout << "SURVIVED" << endl;
    } else {
      cout << "DEAD" << endl;
    }
  }
  return 0;
}