x = int(input())
assert(2 <= x <= 2000000)
f = [i for i in range(x)]
for i in range(1,x):
    for j in range(i,x,i):
        f[j] -= 1
min = 0x1fffffff
for i in range(1,x):
    if min > abs(f[i] - f[x-i]):
        min = abs(f[i] - f[x-i])
for i in range(1,x):
    if min == abs(f[i] - f[x-i]):
        print(i, x - i)