using System;

public class Program

{

    public static void Main()

    {

        double[]a=new double [10];

        double max=a[0];

        for(int i=0 ; i<a.Length ; i++)

            {

            Console.WriteLine("enter the number with index " + (i+1) );

            a[i]=Convert.ToDouble(Console.ReadLine());

                if(max<a[i])

                    max=a[i];

            }

        Console.WriteLine(max);

    }

}