#include <bits/stdc++.h>
using namespace std;
int main() {
  double w;
  while (cin >> w) {
    if (w <= 48)
      cout << "light fly" << endl;
    else if (w > 48.00 && w <= 51.00)
      cout << "fly" << endl;
    else if (w > 51.00 && w <= 54.00)
      cout << "bantam" << endl;
    else if (w > 54.00 && w <= 57.00)
      cout << "feather" << endl;
    else if (w > 57.00 && w <= 60.00)
      cout << "light" << endl;
    else if (w > 60.00 && w <= 64.00)
      cout << "light welter" << endl;
    else if (w > 64.00 && w <= 69.00)
      cout << "welter" << endl;
    else if (w > 69.00 && w <= 75.00)
      cout << "lihgt middle" << endl;
    else if (w > 75.00 && w <= 81.00)
      cout << "middle" << endl;
    else if (w > 81.00 && w <= 91.00)
      cout << "light heavy" << endl;
    else if (w > 91)
      cout << "heavy" << endl;
  }
  return 0;
}
