class A
  def initialize
    n = gets.chomp.to_i
    l = gets.chomp.split(' ').map(&:to_i)

    cache = Hash.new(false)

    p l.group_by{|i| cache[i] || cache[i] = l.count(i)}.sort.reverse.to_h.first.last.uniq.sort.last
  end
end

A.new