#include <iostream>
 
 
using namespace std;
 
int main(){
    for(int i=0; i<=100000; i++){
        double a;
        cin>>a;
        if(a<=48.00){
        cout<<"light fly"<<endl;
        }
        if(a>48.00&&a<=51.00){
        cout<<"fly"<<endl;
        }
        if(a>51.00&&a<=54.00){
        cout<<"bantam"<<endl;
        }
        if(a>54.00&&a<=57.00){
        cout<<"feather"<<endl;
        }
        if(a>57.00&&a<=60.00){
        cout<<"light"<<endl;
        }
        if(a>60.00&&a<=64.00){
        cout<<"light welter"<<endl;
        }
        if(a>64.00&&a<=69.00){
        cout<<"welter"<<endl;
        }
        if(a>69.00&&a<=75.00){
        cout<<"light middle"<<endl;
        }
        if(a>75.00&&a<=81.00){
        cout<<"middle"<<endl;
        }
        if(a>81.00&&a<=91.00){
        cout<<"light heavy"<<endl;
        }
        if(a>91.00){
        cout<<"heavy"<<endl;
        }
 
     
    }
 
 
    return 0;
}