h = {"2"=>19892, "."=>1, "1"=>20063, "4"=>19874, "5"=>20199, "9"=>19841, "6"=>19898, "3"=>20011, "8"=>19956, "7"=>20163, "0"=>20104}
_h = Hash.new{0}
gets.chomp.chars.each do |c|
  _h[c] += 1
end
ans = []
h.each do |k, v|
  if _h[k] > v
    ans[0] = k
  elsif _h[k] < v
    ans[1] = k
  end
end
puts "#{ans[0]} #{ans[1]}"