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