using System;

public class Program

{

    public static void Main()

    {

    byte numberForEntry= byte.Parse(Console.ReadLine());

        decimal holdingTheSum=0M;

        for(int i =0;i < numberForEntry;i++){

        decimal number = decimal.Parse(Console.ReadLine());

         holdingTheSum += number;

        }

        Console.WriteLine(holdingTheSum);

    }

}