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);