import sys
from functools import lru_cache

sys.setrecursionlimit(10 ** 8)

input = sys.stdin.readline

@lru_cache(maxsize=None)
def make_len_divisors(n):
    ans = 0
    for i in range(1, int(n**0.5)+1):
        if n % i == 0:
            ans += 1
            if i != n // i:
                ans += 1

    return ans


def main():
    X = int(input())

    mi = float("inf")
    if X % 2 == 0:
        mi = 0
    ans = []
    s = 1
    if X >= 100000:
        s = 49000 * X // 100000
    if X >= 1000000:
        s = 490000 * X // 1000000
    for i in range(s, X // 2 + 1):
        a = i - make_len_divisors(i)
        b = (X - i) - make_len_divisors(X - i)
        if abs(a - b) < mi:
            mi = abs(a - b)
            ans = []
        if abs(a - b) == mi:
            ans.append([i, X - i])

    for a in ans:
        print(*a)
    for a, b in ans[::-1]:
        if a == b:
            continue
        print(b, a)




    

if __name__ == '__main__':
    main()