def main():
    N = int(input())
    c = [0]
    for i in range(100):
        c.append(2 ** i)

    for i in range(N // 2 + 2):
        if i in c:
            continue
        elif N - i in c:
            continue
        else:
            print(i, N - i)
            exit()

    print(-1)


if __name__ == "__main__":
    main()