obj/Teleport
icon = 'Teleport.dmi'
Click()
switch(input("Wanna Teleport back to the start","?")in list("Sure","No"))
if("Sure")
usr.loc = locate(1,1,1)
if("No")
usr<<"Ok Come Again"

main.dm:81: Inconsistent indentation.
main.dm:83: Inconsistent indentation.
main.dm:85: Inconsistent indentation.

game.dmb - 3 errors, 0 warnings

why am i getting inconsistent indention?
plz helpp me