def read():
    x, txt = input().split()
    return int(x)


match = 0
ok = [-1] * 10
for i in range(10):
    tmp = [i if x == -1 else x for x in ok]
    print(*tmp, sep="")
    cnt = read()
    if cnt == 10:
        exit()

    found = cnt - match
    if not found:
        continue
    for j in range(10):
        if tmp[j] == i:
            tmp[j] = (i + 1) % 10
            print(*tmp, sep="")
            c = read()
            if c == 10:
                exit()
            if c - match == found + 1:
                ok[j] = tmp[j]
            if c - match == found - 1:
                ok[j] = i
            tmp[j] = i
    match += found

print(*ok, sep="\n")