K = int(input())
if K == 0:
    print(1)
    print(1)
    exit()

def solve(K):
    a = 0
    while a * (a - 1) //2 <= K:
        b = 0
        while a * (a - 1) //2 + a * b <= K and b <= K:
            c = 0
            while a * (a - 1) //2 + a * b + b * c <= K and c <= K:
                # print(a, b, c)
                if a * (a - 1) //2 + a * b + b * c == K and a + b + c <= 250:
                    return a, b, c
                # if a * (a - 1) //2 + a * b + b * c == 0:
                #     break
                c += 1
            b += 1
        a += 1
    return False

a, b, c = solve(K)
print(a + b + c)
ans = [1] * a + [2] * b + [3] * c
print(*ans)