#!/usr/bin/env swift;
import Foundation
import Utils

// Begin Main
var x:String = Utils.substr(CommandLine.arguments[1], 0, 1)
x = x.lowercased()
switch x {
	case "a", "e", "i", "o", "u":
		print(Utils.format("{0:c} is a vowel", Utils.ord(x)))
	case "y":
		print("y is sometimes a vowel")
	default:
		print(Utils.format("{0:c} is a consonant", Utils.ord(x)))
}

exit(EXIT_SUCCESS)