਍ഀഀ
xa=-2਍礀愀㴀㈀ഀഀ
xb=2਍礀戀㴀ⴀ㄀ഀഀ
from math import*਍愀戀㴀猀焀爀琀 ⠀⠀砀愀ⴀ砀戀⤀⨀⠀砀愀ⴀ砀戀⤀⬀⠀礀愀ⴀ礀戀⤀⨀⠀礀愀ⴀ礀戀⤀⤀ഀഀ
print ab਍ഀഀ
਍ഀഀ
਍ഀഀ
