import sys
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines

N = int(read())

power_2 = set(2**n for n in range(100))

answer = (-1,)

for a in range(1,N):
    b = N - a
    if a in power_2 or b in power_2:
        continue
    answer = a,b
    break

print(*answer)