#include <iostream>
using namespace std;

int main ()
{
	int number;

	cout << "Please enter a digit" << endl;
	cin >> number;

	switch (number)
	{
	case 0:
		cout << "zero";
		break;
	case 1:
		cout << "one";
		break;
    case 2:
		cout << "two";
		break;
	case 3:
		cout << "three";
		break;
	case 4:
		cout << "four";
		break;
	case 5:
		cout << "five";
		break;
	case 6:
		cout << "six";
		break;
	case 7:
		cout << "seven";
		break;
	case 8:
		cout << "eight";
		break;
	case 9:
		cout << "nine";
		break;
	default:
		cout << "not a digit";
	}

	cout << endl;
	return 0;
}