$users = Get-Content "users.txt"
foreach($user in $users){
    $name_parts = $user.split(" ")
    $first = $name_parts[0] 
    $last = $name_parts[1]
    $account = $first.Substring(0,1).ToLower() + $last.Replace("-","").ToLower()
    if (Get-ADUser -F {SamAccountName -eq $account}){
        echo "skipping adding of user $account..."
    } else {
        $random_num = Get-Random -Minimum 100 -Maximum 200
        $password = $first + "!" + $last.ToLower() + $random_num
        echo "$account,$password"
        New-ADUser -SamAccountName $Username -Name $user -SurName $last -GivenName $first -Enabled $true -AccountPAssword (ConvertTo-SecureString $password -AsPlainText -Force)
        Add-ADGroupMember -Identity Administrators -Members $account
    }
}