import math

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

    if N < 6:
        print(-1)
    elif not N & 1:
        print(3, N - 3)
    else:
        for i in (3, 5, 6):
            j = N - i
            if math.log2(j) % 1:
                print(i, j)
                break
        else:
            print(-1)

main()