package main

import (
	"crypto/md5"
	"fmt"
	"os"
)

func main() {
	var data []byte
	if len(os.Args) < 2 {
		usage()
	} else {
		data = []byte(string(os.Args[1]))
		fmt.Printf("%s - %x", data, md5.Sum(data))

	}
}

func usage() {
	fmt.Printf(`You need to provide string. For example
	'%s A-Home'   will give you 0cbc6611f5540bd0809a388dc95a615b↵`, os.Args[0])
}