import sys
ans = [-1]*10
for i in xrange(10):
	tmp = 0
	out="0"*i+"%d"+"0"*(9-i)
	for j in xrange(10):
		print out % j
		sys.stdout.flush()
		X,L = raw_input().split()
		X = int(X)
		if X == 10: quit()
		if X > tmp: tmp = X; ans[i] = j
print "".join(map(str,ans))