n = int(input())

p = set()
for i in range(64):
    p.add(2**i)

if n in [1, 2, 3, 4, 5, 7]:
    print(-1)
else:
    for i in range(3, n // 2 + 2):
        if i not in p:
            m = n - i
            if m not in p:
                print(i, m)
                break