package main

import (
	"crypto/md5"
	"encoding/hex"
	"fmt"
	"strconv"
)

const key = "bgvyzdsv"

func main() {
	i := 0
	var found = false
	for !found {
		hash := genMD5Hash(key + strconv.Itoa(i))
		if hash[0:6] == "000000" {
			found = true
		} else {
			i += 1
		}
	}
	fmt.Println(i)
}

func genMD5Hash(text string) string {
	hash := md5.Sum([]byte(text))
	return hex.EncodeToString(hash[:])
}