#include<iostream>
#include<iomanip>
#include<string>
#include<algorithm>
#include<cmath>
using namespace std;
int main(){
    float a;
    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{
            cout<<"heavy"<<endl;
        }
    }
    
    return 0;
}