def check(x):
    while x != 1:
        if x % 2 == 1:
            return False
        x //= 2
    return True

n = int(input())

for i in range(3, min(n, 10)):
    if not check(i) and not check(n - i):
        print(f"{i} {n - i}")
        break
else:
    print("-1")