#include <iostream>
#include <string>
#include <vector>
#include <map>
#include <set>
#include <queue>
#include <stack>
#include <algorithm>
#include <numeric>
#include <cstring>
#include <cmath>

using namespace std;

int main(int argc, char *argv[]) {
  double n;
  while (cin >> n) {
    if (n <= 48.0) {
      cout << "light fly" << endl;
    } else if (n <= 51.0) {
      cout << "fly" << endl;
    } else if (n <= 54.0) {
      cout << "bantam" << endl;
    } else if (n <= 57.0) {
      cout << "feather" << endl;
    } else if (n <= 60.0) {
      cout << "light" << endl;
    } else if (n <= 64.0) {
      cout << "light welter" << endl;
    } else if (n <= 69.0) {
      cout << "welter" << endl;
    } else if (n <= 75.0) {
      cout << "light middle" << endl;
    } else if (n <= 81.0) {
      cout << "middle" << endl;
    } else if (n <= 91.0) {
      cout << "light heavy" << endl;
    } else {
      cout << "heavy" << endl;
    }
  }
  return 0;
}