import sys
import itertools

answerlike = ''
for i in xrange(10):
    print str(i) * 10
    sys.stdout.flush()
    res = raw_input().split()[0]
    if res == 10:
        exit()
    else:
        for _ in xrange(int(res)):
            answerlike += str(i)

for p in itertools.permutations(answerlike):
    print ''.join(p)
    sys.stdout.flush()
    res = raw_input().split()[1]
    if res == 'unlocked':
        break