def quest(t):
    print(*t,flush=True)
    p,q=map(int,input().split())
    if p==4:
        exit()
    return p,q

def eat_bite(s,t):
    eat=bite=0
    for i in range(4):
        if s[i] in t:
            if s[i]==t[i]:
                eat+=1
            else:
                bite+=1
    return eat,bite

from itertools import permutations

X=[a+b+c+d for a,b,c,d in permutations("0123456789",r=4)]
X_len=len(X)
F=[1]*(X_len)

while True:
    for i in range(X_len):
        if F[i]:
            r=quest(X[i])
            break

    F[i]=0
    for j in range(i+1,X_len):
        if r!=eat_bite(X[i],X[j]):
            F[j]=0