func main()
	var p: int :: cui@inputInt()
	var q: int :: cui@inputInt()
	
	if(p = q)
		do cui@print("1\n2 2\n")
		ret
	end if
	
	var gcd: int :: math@gcd(p, q)
	do p :/ gcd
	do q :/ gcd
	
	; n = a * c
	; m = b * c
	; p = a + b
	; q = a * b * c
	
	var ansN: []int :: #[0]int
	var ansM: []int :: #[0]int
	
	for a(1, p - 1)
		var b: int :: p - a
		if(a * b > q)
			break a
		end if
		if(q % (a * b) = 0)
			var c: int :: q / (a * b)
			var n: int :: a * c
			var m: int :: b * c
			do ansN :~ [n]
			do ansM :~ [m]
		end if
	end for
	
	do cui@print("\{^ansN}\n")
	for i(0, ^ansN - 1)
		var n: int :: ansN[i]
		var m: int :: ansM[i]
		do cui@print("\{n} \{m}\n")
	end for
end func