(function () {
	'use strict';

	function odd ( n ) {
		return n !== 0 && even( n - 1 );
	}

	var counter = 0;

	// This should be in the output
	var foo = odd( 12 );

	function even ( n ) {
		alert( counter++ );
		return n === 0 || odd( n - 1 );
	}

	console.log( even( 5 ) );

	console.log( counter );

}());
