@echo off

set code = %1

if %1%==24 (
  echo "Beltelecom"
  goto endgame
)
if %1%==25 (
  echo "life :)"
  goto endgame
)
if %1%==33 goto foo
if %1%==29 goto foo
goto notfound

:foo
echo "The code operator is MTS OR velcom"
goto endgame
:notfound
echo "Such operator hasn't appeared yet"

:endgame

PAUSE