func main()
	var x: int :: cui@inputInt()
	func f(n: int): int
		if(n <= 1)
			ret 0
		end if
		var factors: []int :: math@primeFactors(n)
		var res: int :: 1
		var cnt: int :: 0
		var prev: int :: factors[0]
		for i(0, ^factors)
			if(i = ^factors)
				break i
			end if
			if(factors[i] <> prev)
				do prev :: factors[i]
				do res :* (cnt + 1)
				do cnt :: 0
			end if
			do cnt :+ 1
		end for
		do res :* (cnt + 1)
		ret n - res
	end func
	
	{高度合成数である2162160の正の約数は320個}
	func score(n: int, x: int): int
		ret (f(n) - f(x - n)).abs()
	end func
	var ca: int :: x / 2
	var min: int :: score(ca, x)
	for i(0, 160)
		var a: int :: ca - i
		if(a < 0)
			break i
		end if
		var v: int :: score(a, x)
		if(v < min)
			do min :: v
		end if
	end for
	for i(160, -160, -1)
		var a: int :: ca - i
		if(a <= 0 | x - a <= 0)
			skip i
		end if
		var v: int :: score(a, x)
		if(v = min)
			do cui@print("\{a} \{x - a}\n")
		end if
	end for
end func