Execute LOLCODE Online

BTW Sample LOLCODE code
BTW "CAT ON SHELVES"

 HAI 1.2
 I HAS A SHELF_0 ITZ 10
 VISIBLE SHELF_0
  I HAS A SHELF_01 ITZ 19
 VISIBLE SHELF_01
  I HAS A SHELF_02 ITZ 7
 VISIBLE SHELF_02
  I HAS A SHELF_03 ITZ 4
 VISIBLE SHELF_03
  I HAS A SHELF_04 ITZ 4
 VISIBLE SHELF_04
 
VISIBLE "HOW MANY LETTERBOOKS?"

VISIBLE SUM OF SHELF_01 AN SHELF_0
 
 IM IN YR SHELVES UPPIN YR MYSHELF TIL BOTH SAEM MYSHELF 5 
 VISIBLE MYSHELF
 
 
 
 BOTH SAEM MYSHELF AN 3
 O RLY?
        YA RLY
                VISIBLE "I HERZ"
                NO WAI
                    VISIBLE "I NO HERE"
        OIC 
 
 IM OUTTA YR SHELVES
 
 
 KTHXBYE