a = Array.new(4,0)

10.times do
  a[3] = gets.chomp.to_i 
  3.times do |i|
    if a[2-i]<a[3-i]
      a[2-i], a[3-i] = a[3-i], a[2-i]
    else
      break
    end
  end
end
puts a[0]
puts a[1]
puts a[2]