using System;

​

public class Program

{

    public static void Main()

    {

        double num, maxNum=0, minNum=0;

        for (int i = 0; i < 12; i++)

        {

            num = double.Parse(Console.ReadLine());

            if (i == 0)

            {

                maxNum = num;

                minNum = num;

            }

​

            maxNum = Math.Max(maxNum, num);

            minNum = Math.Min(minNum, num);

        }

​

        Console.WriteLine("{0},{1}", maxNum, minNum);

    }

}