x = int(input())

C = [0 for _ in range(x + 1)]
for i in range(1, x + 1):
    f = 1
    while f * f <= i:
        if i % f == 0:
            C[i] += 1
            if f * f != i:
                C[i] += 1
        f += 1

D = [[] for _ in range(x)]
for a in range(1, x):
    b = x - a
    num = abs(a - C[a] - b + C[b])
    D[num].append((a, b))

for i in range(x):
    if len(D[i]) > 0:
        for a, b in D[i]:
            print(a, b)
        break