Code:
on *:TEXT:!login*:?: {
  if (($2 == temp) && ($nick == Paul)) {
    /notice $nick Password Accepted
    /notice $nick Welcome back Owner
  }
  if (($2 == temp) && ($nick == Shane)) {
    /notice $nick Password Accepted
    /notice $nick Welcome back Admin
  }
  if (($1 == temp) && ( $nick == Joey )) {
    /notice $nick Password Accepted
    /notice $nick Welcome back Operator
  }
  else {  
  /notice $nick Bad Password/Nickname
  }
}


Think it works like that