import numpy as np
N = int(input())
l = np.zeros(N+1)

num = 10**9
for i in range(1,N+1):
  l[::i] += 1

for j in range(1,N):
  num = min(num,abs((j-l[j])-(N-j-l[N-j])))
num = int(num)

for k in range(1,N):
  if abs((k-l[k])-(N-k-l[N-k])) == num:
    print(k,N-k)