//
//  main.cpp
//  olymp_in
//
//  Created by Kadir Kadyrov on 19.10.2020.
//  Copyright © 2020 Kadir Kadyrov. All rights reserved.
//

#include <iostream>
#include <algorithm>
#include <string>
#include <cstdio>
#include <queue>
#include <map>
#include <vector>
#include <stack>


using namespace std;

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

    int sum = 0;

    while (n--) {
        int x;
        cin >> x;
        sum += x;
    }

    if (sum > 0) {
        cout << "HARD\n";
    } else {
        cout << "EASY\n";
    }
}