N = int(input())
for i in range(1, N+1):
    for j in range(1, N+1):
        for k in range(1, N+1):
            if i|j == j|k == k|i == N and i^j^k == 0:
                print(i, j, k)
                exit()
else:
    print(-1, -1, -1)