index.js

var arguments = process.argv.slice(2)

	

if ( typeof(arguments[0]) === 'undefined'){
	console.log( 'please enter a number of coins' )
	process.exit(1)
}

function move(n, a, b, c) {
	if (n > 0) {
		move(n-1, a, c, b)
		console.log("Move disk from " + a + " to " + c)
		move(n-1, b, a, c)
	}
}

move( arguments[0], "A", "B", "C");