#include<bits/stdc++.h>
#define rep(i,n) for(int i=0;i<(n);i++)
#define loop(i,x,n) for(int i=(x);i<(n);i++)
#define all(x) (x).begin(),(x).end()
#define pb push_back
#define mp make_pair
#define fir first
#define sec second
#define ub upper_bound
#define lb lower_bound
#define int long long
using namespace std;
const int MOD=1000000007;
const int INF=1000000009;


signed main(){
  double w;
  while(cin>>w){
    if(w>91.00)cout<<"heavy"<<endl;
    else if(w>81.00&&w<=91.00)cout<<"light heavy"<<endl;
    else if(w>75.00&&w<=81.00)cout<<"middle"<<endl;
    else if(w>69.00&&w<=75.00)cout<<"light middle"<<endl;
    else if(w>64.00&&w<=69.00)cout<<"welter"<<endl;
    else if(w>60.00&&w<=64.00)cout<<"light welter"<<endl;
    else if(w>57.00&&w<=60.00)cout<<"light"<<endl;
    else if(w>54.00&&w<=57.00)cout<<"feather"<<endl;
    else if(w>51.00&&w<=54.00)cout<<"bantam"<<endl;
    else if(w>48.00&&w<=51.00)cout<<"fly"<<endl;
    else cout<<"light fly"<<endl;
  }
  return 0;
}