#include <bits/stdc++.h>
using namespace std;
int main() {
  int n, a[200], k = 0;
  cin >> n;
  for (int i = 1; i <= n; i++) cin >> a[i];
  for (int i = 1; i <= n; i++) {
    if (a[i] == 1) {
      cout << "hard";
      break;
    } else
      k++;
  }
  if (k == n) cout << "easy";
}
