#include <bits/stdc++.h>
#define rep(i ,n) for(int i=0;i<(int)(n);++i)
using namespace std;
typedef long long int int64;
typedef unsigned long long uint64;

int main(){
    double weight;
    while(cin >> weight){
        if(weight<=48.0) cout << "light fly" << endl;
        else if(weight>48.0 && weight<=51.0) cout << "fly" << endl;
        else if(weight>51.0 && weight<=54.0) cout << "bantam" << endl;
        else if(weight>54.0 && weight<=57.0) cout << "feather" << endl;
        else if(weight>57.0 && weight<=60.0) cout << "light" << endl;
        else if(weight>60.0 && weight<=64.0) cout << "light welter" << endl;
        else if(weight>64.0 && weight<=69.0) cout << "welter" << endl;
        else if(weight>69.0 && weight<=75.0) cout << "light middle" << endl;
        else if(weight>75.0 && weight<=81.0) cout << "middle" << endl;
        else if(weight>81.0 && weight<=91.0) cout << "light heavy" << endl;
        else cout << "heavy" << endl;   
    }
}
