#include <iostream>
#include <string>
#include <math.h>
#include <map>
#include <stdio.h>
#include <ctype.h>
#include <algorithm>
#include <stdlib.h>
#include <stack>
#include <queue>
#include <bitset>
#include <memory.h>

using namespace std;



int main() {
    
    double x;
    while(cin>>x){
        if(x<=48.00)cout<<"light fly";
        else if(x<=51.00)cout<<"fly";
        else if(x<=54.00)cout<<"bantam";
        else if(x<=57.00)cout<<"feather";
        else if(x<=60.00)cout<<"light";
        else if(x<=64.00)cout<<"light welter";
        else if(x<=69.00)cout<<"welter";
        else if(x<=75.00)cout<<"light middle";
        else if(x<=81.00)cout<<"middle";
        else if(x<=91.00)cout<<"light heavy";
        else cout<<"heavy";
        cout<<endl;
    }
}