using System;

public class Program

{

    public static void Main()

    {

        int n ; 

        string s; 

        s = Console.ReadLine();

        n = int.Parse(s);

        int sum=0;

        for(int i  = 1; i >= n; i ++)

        {

            s = Console.ReadLine();

            int number = int.Parse(s);

            sum = sum + number;

       }

        Console.WriteLine("Sum={0}", sum);

    }

}