(define (System.out.println x)
  (begin
    (display x)
    (newline)
  )
)

(let (
      (N (modulo (read) 10))
      (M (read))
     )
  (let (
        (foo (modulo M 12))
       )
    (if (and (= foo 0) (< foo M))
        (System.out.println (modulo (expt N 12) 10))
        (System.out.println (modulo (expt N M) 10))
    )
  )
)