#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<cmath>
#include<cassert>
#include<iostream>
#include<sstream>
#include<string>
#include<vector>
#include<queue>
#include<set>
#include<map>
#include<utility>
#include<numeric>
#include<algorithm>
#include<bitset>
#include<complex>

using namespace std;

typedef long long Int;
typedef vector<int> vint;
typedef pair<int,int> pint;
#define mp make_pair

template<class T> void pv(T a, T b) { for (T i = a; i != b; ++i) cout << *i << " "; cout << endl; }
template<class T> void chmin(T &t, T f) { if (t > f) t = f; }
template<class T> void chmax(T &t, T f) { if (t < f) t = f; }
int in() { int x; scanf("%d", &x); return x; }

int main() {
	double wei;
	for(;cin>>wei;){
		if(wei<=48)cout<<"light fly\n";
		else if(wei<=51)cout<<"fly\n";
		else if(wei<=54)cout<<"bantam\n";
		else if(wei<=57)cout<<"feather\n";
		else if(wei<=60)cout<<"light\n";
		else if(wei<=64)cout<<"light welter\n";
		else if(wei<=69)cout<<"welter\n";
		else if(wei<=75)cout<<"light middle\n";
		else if(wei<=81)cout<<"middle\n";
		else if(wei<=91)cout<<"light heavy\n";
		else cout<<"heavy\n";
	}
	return 0;
}