import sys; input = sys.stdin.buffer.readline
sys.setrecursionlimit(10**7)
from collections import defaultdict
con = 10 ** 9 + 7; INF = float("inf")

def getlist():
	return list(map(int, input().split()))

num = 2 * 10 ** 6 + 1
L = [1 for i in range(num)]; L[0] = 0; L[1] = 0
plist = []
for i in range(num):
	if L[i] == 1:
		plist.append(i); c = 2
		while i * c <= num - 1:
			L[i * c] = 0; c += 1

def prime_factorization(N):
	D = defaultdict(int)
	for i in plist:
		while N % i == 0:
			D[i] += 1; N = int(N // i)

	if N != 1:
		D[N] += 1

	return D

#処理内容
def main():
	X = int(input())
	if X <= 5 * 10 ** 2:
		L = []
		for i in range(1, X):
			a = i; b = X - i
			facA = prime_factorization(a)
			facB = prime_factorization(b)
			numA = 1; numB = 1
			for key, value in facA.items():
				numA *= value + 1
			for key, value in facB.items():
				numB *= value + 1

			L.append([abs(a - b - (numA - numB)), a, b])
		L.sort()

		val = L[0][0]
		for i in range(len(L)):
			if L[i][0] == val:
				print(L[i][1], L[i][2])
			else:
				break

	else:
		L = []
		for i in range(int(X // 2) - 100, int(X // 2) + 100):
			a = i; b = X - i
			facA = prime_factorization(a)
			facB = prime_factorization(b)
			numA = 1; numB = 1
			for key, value in facA.items():
				numA *= value + 1
			for key, value in facB.items():
				numB *= value + 1

			L.append([abs(a - b - (numA - numB)), a, b])
		L.sort()

		val = L[0][0]
		for i in range(len(L)):
			if L[i][0] == val:
				print(L[i][1], L[i][2])
			else:
				break


if __name__ == '__main__':
	main()