class SortingThreeNumbers
	def sorting(array)
		array.sort.each_with_index do |val, i|
			 unless i == 2 #配列の末尾ではない場合はスペースを付加  
			 	print "#{val} "
			 else
			 	print "#{val}"
			 end
		end
	end
end

INPUT_LIMIT = 3
input = gets.split.map(&:to_i)

if input.length == INPUT_LIMIT
	SortingThreeNumbers.new.sorting(input)
else
	puts "You must input only #{INPUT_LIMIT} parameter"	
end