import itertools
lst = [0, 1]
pattern = list(itertools.product([0,1], repeat=4))
# print(pattern)

x, y = map(int, input().split())
xy = x*2 + y

K = 4
vs = list(itertools.product([0,1], repeat=K)) # 処理列の候補

for v in vs:
    ok = True
    for p in pattern:
        ans01 = p[xy]

        now = v[0]
        for i in range(K-1):
            nxt = v[i+1]
            now = p[now*2 + nxt]
        if now != ans01:
            ok = False
            break
    if ok == True:
        print(K)
        ans = list(v)
        print(*ans)
        res = int(input())
        print(res)
        exit()