#include<iostream>
#include<cstdio>
using namespace std;
void judge(int);
main(){
  double w;
  while(cin>>w){

    judge(w);

  }

  return 0;
}

void judge(int n){
  if(n<=48.0)cout << "light fly"<<endl;
  else if(n>48.0 && n<= 51.0)cout << "fly"<<endl;
  else if(n>51.0 && n<= 54.0)cout << "bantam" << endl;
  else if(n>54.0 && n<= 57.0)cout << "feather"<<endl;
  else if(n>57.0 && n<= 60.0)cout << "light"<<endl;
  else if(n>60.0 && n<= 64.0)cout << "light welter"<<endl;
  else if(n>64.0 && n<= 69.0)cout << "welter"<<endl;
  else if(n>69.0 && n<= 75.0)cout << "light middle"<<endl;
  else if(n>75.0 && n<= 81.0)cout << "middle"<<endl;
  else if(n>81.0 && n<= 91.0)cout << "light heavy" <<endl;
  else if(n>91.0)cout << "heavy"<<endl;
}