#include <iostream>

using namespace std;

int main(void){

  double w;
  while( cin >> w ){

    if( w <= 48 ) cout << "light fly" << endl;
    else if( 48 < w && w <= 51 ) cout << "fly" << endl;
    else if( 51 < w && w <= 54 ) cout << "bantam" << endl;
    else if( 54 < w && w <= 57 ) cout << "feather" << endl;
    else if( 57 < w && w <= 60 ) cout << "light" << endl;
    else if( 60 < w && w <= 64 ) cout << "light welter" << endl;
    else if( 64 < w && w <= 69 ) cout << "welter" << endl;
    else if( 69 < w && w <= 75 ) cout << "light middle" << endl;
    else if( 75 < w && w <= 81 ) cout << "middle" << endl;
    else if( 81 < w && w <= 91 ) cout << "light heavy" << endl;
    else cout << "heavy" << endl;

  }
  return 0;
}