int cnt[] = {20104, 20063, 19892, 20011, 19874, 20199, 19898, 20163, 19956, 19841};
{
  int c;
  --cnt[getchar()-'0'];getchar();
  while (0<=(c=getchar())){
    --cnt[c-'0'];
  }
  int l,h;
  rep(i,10){if(cnt[i]<0)l=i;if(cnt[i]>0)h=i;}
  wt(h,l);
}