I am trying to run a telnet command as below,however after running the command,user needs to press "y" or "n",How can I input an "y" after running the command,please advise ?

    $telnet = new Net::Telnet(Timeout => 60, Host => "92.16.10.11",
                                Input_log=>$input, Output_log=>$output
+)
    or die "Telnet failure";
    $telnet->login("root", "root") or die "Cannot login";
 my @clean= $telnet->cmd("mk -b 1024 /tmp/hd")
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