INF = 1 << 60
X = int(input())

d = [1] * (X+1)
for i in range(2, X+1):
    for j in range(i, X+1, i):
        d[j] += 1


def f(n):
    return n - d[n]


ans = []
mi = INF
for i in range(1, X):
    a = i
    b = X - a
    s = abs(f(a) - f(b))
    if s < mi:
        mi = s
        ans.clear()

    if mi == s:
        ans.append((a, b))

for a, b in ans:
    print(a, b)