module NMax

# File lib/nmax.rb, line 4
def self.get(stdin:, count:)
  chars = stdin.each_char
  grouped_numbers = chars.chunk { |c| c =~ /\d/ }

  numbers = grouped_numbers.inject([]) do |memo, (_, digits)|
    memo << digits.join.to_i
    memo = memo.sort.last(count) if memo.size > count
    memo
  end

  numbers.sort.last(count)
end