(import
  (scheme base)
  (scheme read)
  (scheme write)
)

(define yuki9001
  (let*
  	(
  	  (a (read))
  	  (b (read))
  	  (s (read))
  	)
    (write (+ a b))
    (display " ")
    (write s)
    (display "\n")
  )
)