using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace cosrobiese
{
class Program
{
static void Main(string[] args)
{
int biegacze = Convert.ToInt32(Console.ReadLine());
int[] tab = new int[100];
for (int i = 0; i < biegacze; i++)
{
tab[i] = int.Parse(Console.ReadLine());
}
Console.WriteLine(tab.Sum());
Console.ReadKey();
}
}
}
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