#include<iostream>
using namespace std;
int main(void){

  double in;
  while(cin >> in!='\0'){
    if(in>91.00)
      cout << "heavy" << endl;
    else if(in>81.00)
      cout << "light heavy" << endl;
    else if(in>75.00)
      cout << "middle" << endl;
    else if(in>69.00)
      cout << "light middle" << endl;
    else if(in>64.00)
      cout << "welter" << endl;
    else if(in>60.00)
      cout << "light welter" << endl;
    else if(in>57.00)
      cout << "light" << endl;
    else if(in>54.00)
      cout << "feather" << endl;
    else if(in>51.00)
      cout << "bantam" << endl;
    else if(in>48.00)
      cout << "fly" << endl;
    else
      cout << "light fly" << endl;


  }

}