// diff_translate.cpp: определяет точку входа для консольного приложения.
//

#include "stdafx.h"
#include <iostream>
using namespace std;

int main()
{
	int num;
	cin >> num;

	if( 1 < num <= 4 )
		cout << "few" << endl;
		goto stop;

	if( 5 < num <= 9 )
		cout << "several" << endl;
		goto stop;

	if ( 10 < num <= 19 )
		cout << "pack" << endl;
		goto stop;

	if (19 < num <= 49 )
		cout << "lots" << endl;
		goto stop;

	if (50 < num <= 99)
		cout << "horde" << endl;
		goto stop;

	if (100 < num <= 249)
		cout << "throng" << endl;
		goto stop;

	if (250 < num <= 499)
		cout << "swarm" << endl;
		goto stop;

	if (500 < num <= 999)
		cout << "zounds" << endl;


	if (num > 999)
		cout << "legion" << endl;

	if (num < 1)
		cout << "ERROR" << endl;

	stop: ;
	cout << "END" << endl;

	cin.get(); cin.get();
	return 0;
}