/*
 ███╗   ███╗ █████╗ ██████╗ ██╗ █████╗ ███╗   ███╗    ███╗   ██╗ █████╗ ██████╗ ███████╗██╗  ██╗
 ████╗ ████║██╔══██╗██╔══██╗██║██╔══██╗████╗ ████║    ████╗  ██║██╔══██╗██╔══██╗██╔════╝██║  ██║
 ██╔████╔██║███████║██████╔╝██║███████║██╔████╔██║    ██╔██╗ ██║███████║██████╔╝█████╗  ███████║
 ██║╚██╔╝██║██╔══██║██╔══██╗██║██╔══██║██║╚██╔╝██║    ██║╚██╗██║██╔══██║██╔══██╗██╔══╝  ██╔══██║
 ██║ ╚═╝ ██║██║  ██║██║  ██║██║██║  ██║██║ ╚═╝ ██║    ██║ ╚████║██║  ██║██████╔╝███████╗██║  ██║
 ╚═╝     ╚═╝╚═╝  ╚═╝╚═╝  ╚═╝╚═╝╚═╝  ╚═╝╚═╝     ╚═╝    ╚═╝  ╚═══╝╚═╝  ╚═╝╚═════╝ ╚══════╝╚═╝  ╚═╝
*/

#include <iostream>
#include <algorithm>
#include <string>
#include <vector>
#include <queue>
#include <deque>
#include <stack>
#include <set>
#include <numeric>

using namespace std;
using ll = long long;

#define el '\n' 
const ll MOD = 1e9 + 7;

int main(){
ll t;
cin>>t;
ll count=0;
while(t--){
ll a;
cin>>a;
count+=a;
}
if(count>0) cout<<"HARD";
else cout<<"EASY";
}