#include <iostream>
 
 
using namespace std;
 
int main(){
    for(int i=0; i<=1000000; i++){
        double a;
        cin>>a;
        if(a<=48){
        cout<<"light fly"<<endl;
        }
        if(a>48&&a<=51){
        cout<<"fly"<<endl;
        }
        if(a>51&&a<=54){
        cout<<"bantam"<<endl;
        }
        if(a>54&&a<=57){
        cout<<"feather"<<endl;
        }
        if(a>57.00&&a<=60.00){
        cout<<"light"<<endl;
        }
        if(a>60&&a<=64){
        cout<<"light welter"<<endl;
        }
        if(a>64&&a<=69){
        cout<<"welter"<<endl;
        }
        if(a>69&&a<=75){
        cout<<"light middle"<<endl;
        }
        if(a>75&&a<=81){
        cout<<"middle"<<endl;
        }
        if(a>81&&a<=91){
        cout<<"light heavy"<<endl;
        }
        if(a>91){
        cout<<"heavy"<<endl;
        }
 
     
    }
 
 
    return 0;
}