import sys
from typing import List, Tuple
import random

int1 = lambda x: int(x) - 1
# input = lambda: sys.stdin.readline().rstrip('\n')
ii = lambda: int(input())
vi = lambda: list(map(int, input().split()))
vi1 = lambda: list(map(int1, input().split()))


def dbg(*args, **kwargs):
    print(*(repr(arg) for arg in args), *(f'{k}: {repr(v)}' for k, v in kwargs.items()),
          sep='; ', file=sys.stderr, flush=True)


def main():
    def ask(s):
        print(''.join(map(str, s)), flush=True)
        a, b = input().split()
        if b == 'unlocked':
            exit(0)
        return int(a)

    res = []
    for i in range(10):
        mxi = 0
        mxv = 0
        for d in range(10):
            z = [0] * 10
            z[i] = d
            k = ask(z)
            if mxv < k:
                mxv = k
                mxi = d
        res.append(mxi)
    ask(res)


def _start():
    if (ret := main()) is not None:
        print(*ret) if isinstance(ret, List) or isinstance(ret, Tuple) else print(ret)


if __name__ == '__main__':
    _start()