#include <bits/stdc++.h>

using namespace std;
using ll = long long;
using pii = pair<int, int>;

int main() {
  cin.tie(0);
  ios_base::sync_with_stdio(false);
  cout << fixed << setprecision(10);
  
  double w;
  while (cin >> w) {
    if (w <= 48) cout << "light fly" << endl;
    else if (w <= 51) cout << "fly" << endl;
    else if (w <= 54) cout << "bantam" << endl;
    else if (w <= 57) cout << "feather" << endl;
    else if (w <= 60) cout << "light" << endl;
    else if (w <= 64) cout << "light welter" << endl;
    else if (w <= 69) cout << "welter" << endl;
    else if (w <= 75) cout << "light middle" << endl;
    else if (w <= 81) cout << "middle" << endl;
    else if (w <= 91) cout << "light heavy" << endl;
    else cout << "heavy" << endl;    
  }

  return 0;
}
