#include <iostream>
using namespace std;

int main() {
  double a;
  while(cin>>a) {
    if(a<=48) cout<<"light fly";
    else if(a<=51)cout<<"fly";
    else if(a<=54)cout<<"bantam";
    else if(a<=57)cout<<"feather";
    else if(a<=60)cout<<"light";
    else if(a<=64)cout<<"light welter";
    else if(a<=69)cout<<"welter";
    else if(a<=75)cout<<"light middle";
    else if(a<=81)cout<<"middle";
    else if(a<=91)cout<<"light heavy";
    else cout<<"heavy";
    cout << endl;
  }
  
  return 0;
}