import Data.Char

main = do
 n <- digitToInt . last <$> getLine
 m <- readLn
 print (expn n m)

expn _ 0 = 1
expn 0 _ = 0
expn n 1 = n
expn 1 _ = 1
expn 2 m = [6,2,4,8] !! (mod m 4)
expn 3 m = [1,3,9,7] !! (mod m 4)
expn 4 m = [6,4] !! (mod m 2)
expn 5 m = 5
expn 6 m = 6
expn 7 m = [1,7,9,3] !! (mod m 4)
expn 8 m = [6,8,4,2] !! (mod m 4)
expn 9 m = [1,9] !! (mod m 2)