n = int(input())
ok = 0
for i in range(3, min(n, 6)):
    if i == 4:
        continue
    b = n - i
    jou = 1
    for j in range(59):
        if (2**j) == b:
            jou = 0
    if jou == 1:
        print(i, b)
        ok = 1
        break
if ok == 0:
    print(-1)