/*#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <utility>
#include <stack>
#include <functional>
#include <queue>
#include <cmath>
#include <set>
#include <map>
#include <numeric>
*/
#include <bits/stdc++.h>
#define rep(i,j,k) for(int i=(int)j;i<(int)k;i++)
#define rrep()
#define Sort(x) sort((x).begin(),(x).end())
#define all(x) (x).begin(),(x).end()
#define fi first
#define se second
#define vi vector<int>
#define INF (int)1e9
#define INFL 1e18
#define MOD 1000000007
#define pb push_back
#define MP make_pair
typedef long long int ll;
typedef std::pair<int,int> P;
int D=1;
int dx[4]={0,1,0,-1},dy[4]={1,0,-1,0};

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;
    }
    
    return 0;
}

