def question(N):
    print(*N)
    return map(int,input().split())

s = []
for a in range(10):
    for b in range(10):
        for c in range(10):
            for d in range(10):
                l = [a, b, c, d]
                if len(set(l)) == 4:
                    s.append(l)
while True:
    h,b = question(s[0])
    if h == 4:
        break
    t = []
    for i in range(1,len(s)):
        cnt = 0
        for k in range(4):
            if s[i][k] in s[0]:
                cnt += 1
        if cnt == h + b:
            t.append(s[i])
    s = t