#include<iostream>
using namespace std;
int main(){
  double a;
  int i=0;
  while(cin>>a){
    if(a<=48.00) cout<<"light fly"<< endl;
    else if(a<=51.00) cout<<"fly"<<endl;
    else if(a<=54.00) cout<<"bantam"<<endl;
    else if(a<=57.00) cout<<"feather"<<endl;
    else if(a<=60.00) cout<<"light"<<endl;
    else if(a<=64.00) cout<<"light welter"<<endl;
    else if(a<=69.00) cout<<"welter"<<endl;
    else if(a<=75.00) cout<<"light middle"<<endl;
    else if(a<=81.00) cout<<"middle"<<endl;
    else if(a<=91.00) cout<<"light heavy"<<endl;
    else if(a>=91.00) cout<<"heavy"<<endl;
  }
}