Why is it so? What should I do?

[kas29]

Hello! Tell me what to do ...
I'm making a game ... My character on the first floor of the walk and jump, then comes up the stairs, up and on the second floor is no longer jumps ..
Here is the code ..

IF KEY 1
IF CANGOLEFT
LET IMAGE = 0
SPRITELEFT
ANIMATE
ENDIF
ENDIF
IF KEY 0
IF CANGORIGHT
LET IMAGE = 0
SPRITERIGHT
ANIMATE
ENDIF
ENDIF
IF KEY 4
IF LADDERABOVE
LET IMAGE = 0
SPRITEUP
ELSE
JUMP
ENDIF
ENDIF

[kas29]

Thank you all ..) I had figured out .. Now everything as it should ..
Here is the code .. (slightly modified for their purposes)

IF KEY 1
LET PARAMA = DIRECTION
ENDIF
IF PARAMA = 0
IF CANGOLEFT
SPRITELEFT
(ANIMATE)
ENDIF
ENDIF
IF KEY 0
LET PARAMA = 1
END IF
IF PARAMA = 1
IF CANGORIGHT
SPRITERIGHT
(ANIMATE)
ENDIF
ENDIF
IF LADDERBELOW
ELSE
FALL
END IF
IF KEY 4
IF LADDERABOVE
SPRITEUP
ELSE
JUMP
ENDIF
ENDIF


possible for someone to come in handy ...)