ballons.cpp

#include <bits/stdc++.h>

using namespace std;

int main (){
    int t; cin >> t;
    for(int i =0; i < t; i++){
        int n, x, y;
        cin >> n >> x >> y;
        int arr[n];
        for(int j = 0; j < n; j++){
            cin >> arr[j];
        }
        bool easy = false, hard = false;
        if(arr[0] == x) easy = 1;
        if(arr[n-1] == y)  hard = 1;
        
        if(easy && hard) cout << "BOTH" << endl;
        else if(easy) cout << "EASY" << endl;
        else if(hard) cout << "HARD" << endl;
        else cout << "OKAY" << endl;

    }
    return 0;
}