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

int main() {

        int N;
        long long total = 0;
        cin >> N;
        for(int i = 1;i<=N;i++){
            int x;
            cin >> x;
            total += x;

        }

        if(total%2 == 1){
            cout << "DA";
        }else{
            cout << "NE";
        }





 return 0;
}