#!/usr/bin/env python3
# %%
import sys
readline = sys.stdin.readline

# %%
DEBUG = True
# DEBUG = False


# %%
class Interactive:
    def __init__(self):
        self.ques_cnt = 0
        self.create_data()

    def create_data(self):
        import random
        while True:
            N = [random.randint(0, 9) for _ in range(4)]
            if len(set(N)) < 4:
                continue
            break
        self.N = N
        print('created', N)

    def resp_ques(self, *args):
        x = sum(a == b for a, b in zip(self.N, args))
        xy = len(set(self.N) & set(args))
        return f'{x} {xy-x}\n'

    def resp_ans(self, *args):
        pass


if DEBUG:
    interactive = Interactive()


def question(*args, offset=None):
    if offset is None:
        print(*args, flush=True)
    else:
        print(offset, *args, flush=True)
    if DEBUG:
        resp = interactive.resp_ques(*args)
        print(resp, end='')
        return resp
    else:
        return readline()


def answer(*args, offset=None):
    if offset is None:
        print(*args, flush=True)
    else:
        print(offset, *args, flush=True)
    if DEBUG:
        interactive.resp_ans(*args)
    else:
        exit()


# %%
def get_kth_digit(k):
    A = [0, 0, 0, 0]
    best_x = 0
    ret = 0
    for i in range(10):
        A[k] = i
        resp = question(*A)
        x, y = map(int, resp.split())
        if x == 4:
            exit()
        if best_x < x:
            best_x = x
            ret = i
    return ret


# %%
A = [get_kth_digit(k) for k in [0, 1, 2, 3]]
question(*A)
exit()