#!/usr/bin/env node;
const Utils = require('./Utils');

function factorial(x) {
	if (x <= 1) {
		return 1;
	}
	return x * factorial(x - 1);
}

const main = async () => {
	for (let x = 1; x < 10; ++x) {
		console.log(Utils.format("{0:d}! = {1:d}", x, factorial(x)));
	}
}
main().catch( e => { console.error(e) } );