U = 2 * 10 ** 6
div = [1] * (U + 1)

for i in range(2, U + 1):
    div[i] += 1
    v = i * 2
    while v <= U:
        div[v] += 1
        v += i

        
X = int(input())
a = X // 2
b = X - a
score = []

for _ in range(1000):
    fa = a - div[a]
    fb = b - div[b]
    score.append((abs(fa - fb), a))
    if a != b:
        score.append((abs(fa - fb), b))
    a -= 1
    b += 1
    if a <= 0 or b > X:
        break

score.sort()
mn = score[0][0]
for s, a in score:
    if s != mn:
        break
    print(a, X - a)