def solve():
    n = int(input())
    if n == 6:
        return "3 3"
    if n < 8:
        return -1
    if bin(n)[2:].count('1') == 3 and n & 3 == 3:
        return f"5 {n - 5}"
    return f"3 {n - 3}"
print(solve())