#include <iostream>
using namespace std;

int main() {
  double weight;
  while(cin >> weight) {
    if(weight <= 48.00) {
      cout << "light fly" << endl;
    }
    else if(weight <= 51.00) {
      cout << "fly" << endl;
    }
    else if(weight <= 54.00) {
      cout << "bantam" << endl;
    }
    else if(weight <= 57.00) {
      cout << "feather" << endl;
    }
    else if(weight <= 60.00) {
      cout << "light" << endl;
    }
    else if(weight <= 64.00) {
      cout << "light welter" << endl;
    }
    else if(weight <= 69.00) {
      cout << "welter" << endl;
    }
    else if(weight <= 75.00) {
      cout << "light middle" << endl;
    }
    else if(weight <= 81.00) {
      cout << "middle" << endl;
    }
    else if(weight <= 91.00) {
      cout << "light heavy" << endl;
    }
    else {
      cout << "heavy" << endl;
    }
  }
}