{$CLEO .cs}
0000:

while true
wait   0
    if and  
       is_key_pressed 120 
       is_key_pressed 123
       09E7:   player $PLAYER_CHAR not_frozen

    then
        0A92: create_custom_thread "[@Railcity]/!!MISSION MENU.cs"    
        WAIT 500 
    end    
  
end 

0A93: terminate_this_custom_script