def main():
    n = int(input())

    l = []
    for i in range(70):
        l.append(2 ** i)

    for a in range(3, 1000):
        if a in l:
            continue
        if n - a not in l and n - a > 0:
            print(a, n - a)
            exit()
    print(-1)


if __name__ == '__main__':
    main()