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]