import sys
preX = 0
used = [False for i in range(10)]
ans = ['.' for i in range(10)]
it = 0
ans[it] = 0
while True:
	sys.stdout.write(''.join(str(j)for j in ans) + '\n')
	sys.stdout.flush()
	x,res = raw_input().split()
	if res == 'unlocked':
		break
	else:
		if x > preX:
			it += 1
			ans[it] = 0
			preX = x
		else:
			ans[it] += 1