(define n (read))
(define a '())
(let loop((i 0))
	(if (= i n)
		'()
		(begin
			(let ((p (read)) (q (read)))
				(set! a (cons (cons p q) a))
			)
			(loop (+ i 1))
		)
	)
)

(set! a
	(sort a
		(lambda (x y)
			(let ((p (/ (car x) (cdr x))) (q (/ (car y) (cdr y))))
				(> p q)
			)
		)
	)
)

(for-each (lambda (x)
	(print (car x) " " (cdr x))
)
a)