#!/usr/bin/python
from collections import Counter
import itertools,random

digits=4

def hit_and_blow(a,b):
	hit=sum(a[i]==b[i] for i in range(digits))
	blow=len(a)+len(b)-len(set(iter(a+b)))
	return (hit,blow-hit)

def minimax(e):
	h={}
	for f in lst:
		x=hit_and_blow(e,f)
		if x not in h: h[x]=0
		h[x]+=1
	return (max(h.values()),e)

def genlist():
	return list(''.join(e) for e in itertools.permutations(iter('0123456789'),digits))

def checkio(last,hit,blow):
	global lst
	if last is None:
		lst=genlist()
		return '0123'
	for i in range(len(lst)-1,-1,-1):
		if hit_and_blow(lst[i],last)!=(hit,blow): lst.pop(i)
	#return min(minimax(e) for e in lst)[1]
	return random.choice(lst)

if __name__ == '__main__':
	import sys
	if sys.version_info[0]>=3: raw_input=input
	q=None
	hit=blow=0
	while True:
		s=checkio(q,hit,blow)
		print(' '.join(s))
		sys.stdout.flush()
		hit,blow=map(int,raw_input().split())
		if hit==4:break
		q=s