using System;  

public class Exercise4  

{  

    public static void Main() 

{       

    int i,n,sum=0;

    double avg;

    Console.Write("Input the 10 numbers : \n");

    for (i=1;i<=10;i++)

    {

                Console.Write("Number-{0} :",i);

​

        n= Convert.ToInt32(Console.ReadLine());     

        sum +=n;

    }

    avg=sum/10.0;

    Console.Write("The sum of 10 no is : {0}\nThe Average is : {1}\n",sum,avg);

   }

}