# n number of birds
n = gets.strip.to_i
n.to_i

# n spaced-seperated integers describing the respective type numbers of each bird in the flock.
types = gets.strip
types = types.split(' ').map(&:to_i)


types_hash = Hash.new(0)
types.each do |t|
  types_hash[t] += 1 
end

types_hash  = types_hash.sort do |a,b|
  b <=> a 
end
types_hash.reverse!

types_hash =  types_hash.sort_by do |k,v|
  - v
end
p types_hash[0][0]