from sys import stdin,setrecursionlimit#,set_int_max_str_digits
#import pypyjit
#pypyjit.set_param('max_unroll_recursion=-1')
setrecursionlimit(20000000) # これこどふぉだと無理
#set_int_max_str_digits(200010)
mod = 998244353 
ii = lambda :int(stdin.readline())
mi = lambda :map(int,stdin.readline().split())
li = lambda :list(mi())
gmi = lambda :map(lambda x: int(x) - 1, stdin.readline().split())
gi = lambda :list(map(lambda x: 0 if x == "." else 1,input())) # グリッド入力受け取り
py = lambda :print("Yes")
pn = lambda :print("No")
pf = lambda :print("First") 
ps = lambda :print("Second")
vec = [(1,0),(-1,0),(0,-1),(0,1)]
vec1 = [(1,0),(1,1),(0,1),(-1,1),(-1,0),(-1,-1),(0,-1),(1,-1)] #8方向
inf = 2*10**18



def op(x,y):
    return v[x+2*y] 

def f(x):
    ret = x[0] 
    for i in x[1:]:
        ret = op(ret,i) 
    return ret 

X,Y = mi()

for n in range(3,7):
    flag = 0 
    for s in range(1<<n):
        x = []
        for i in range(n):
            x.append((s>>i) & 1)

        tmp = [[],[]]
        for s1 in range(16):
            v = []
            for i in range(4):
                v.append((s1>>i) & 1)
            
            tmp[f(x)].append(v)
        
        ref = -1
        for v in tmp[0]:
            if ref == -1:
                ref = op(X,Y)
            else:
                if ref != op(X,Y):
                    ref = 1000 
        if ref == 1000:
            continue 

        ref = -1 
        for v in tmp[1]:
            if ref == -1:
                ref = op(X,Y)
            else:
                if ref != op(X,Y):
                    ref = 1000 
                    break
        else:
            flag = 1 
            break    
    if flag:
        break

print(len(x),flush=True)
print(*x,flush=True)

res = ii()

print(tmp[res][0][X+2*Y],flush=True)
exit()