#include<iostream>
#include<iomanip>
#include<vector>
#include<queue>
#include<list>
#include<stack>
#include<algorithm>
#include<cmath>
#include<memory>

using namespace std;

int main()
{
  double w;

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