N = int(input())

if N < 6 or N == 7:
    print(-1)
    
else:
    if bin(N - 3).count('1') != 1:
        print(3, N - 3)
        
    elif bin(N - 5).count('1') != 1:
        print(5, N - 5)
        
    else:
        print(6, N - 6)