using System;

using System.Linq;                  

public class Program

{

    public static void Main()

    {

        double[] arr = new double[]{1.1, 22.5, 3.0, 48.1, 51.8, 51.9,7.1}; 

        Console.WriteLine(arr.Max()); 

        Console.WriteLine(arr.Min());

    }

}