#!/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(data): global lst if len(data)==0: lst=genlist() return random.choice(lst) last=data[-1].split() hit=int(last[1][0]) blow=int(last[1][2]) last=last[0] 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 q=[] while True: s=checkio(q) print(' '.join(s)) sys.stdout.flush() t=raw_input().strip() if t=='4 0':break q.append(s+' '+'H'.join(t.split()))