K=int(input())

if K==0:
    print(0)
    print()
    exit()

for i in range(2,10000000):
    x=i*(i-1)//2

    if K%x==0:
        r=K//x

        for j in range(31):
            if r==(1<<j):

                ANS=[1]*i+[0]*j

                if len(ANS)<=30:
                    print(len(ANS))
                    print(*ANS)
                    exit()