#include <iostream>

using namespace std;

int main(void) {
    double w;
    while (true) {
        cin >> w;
        if (cin.eof()) break;
        else if (w <= 48)           cout << "light fly"    << endl;
        else if (w > 48 && w <= 51) cout << "fly"          << endl;
        else if (w > 51 && w <= 54) cout << "bantam"       << endl;
        else if (w > 54 && w <= 57) cout << "feather"      << endl;
        else if (w > 57 && w <= 60) cout << "light"        << endl;
        else if (w > 60 && w <= 64) cout << "light welter" << endl;
        else if (w > 64 && w <= 69) cout << "welter"       << endl;
        else if (w > 69 && w <= 75) cout << "light middle" << endl;
        else if (w > 75 && w <= 81) cout << "middle"       << endl;
        else if (w > 81 && w <= 91) cout << "light heavy"  << endl;
        else if (w > 91)            cout << "heavy"        << endl;
    }
    return 0;
}