#include <bits/stdc++.h>
using namespace std;

int main() {
  double n;

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