def Question(k):
    M=-1
    Y=-1
    for i in range(10):
        print("0"*k+str(i)+"0"*(9-k))
        A=Answer()

        if Y<A:
            M=i
            Y=A
    return M

def Answer():
    X,_=input().split()
    X=int(X)
    if X==10:
        exit()
    else:
        return X

T=""
for k in range(10):
    T=T+str(Question(k))

print(T)
_=Answer()