#include <iostream>
using namespace std;

int main(){
    int n;
    cin >> n;

    long long zbir = 0;

    for(int i = 0; i < n; i++) {
        int x;
        cin >> x;

        zbir += x;
    }

    if(zbir % 2 == 1) {
        cout << "DA" << endl;
    }
    else {
        cout << "NE" << endl;
    }
    return 0;
}