Sum Numbers

using System;

namespace SumNumbers
{
    class Program
    {
        static void Main(string[] args)
        {
            int n = int.Parse(Console.ReadLine());
            int result = 0;
            for (int i = 1; i < n; i++)
            {
                int number = int.Parse(Console.ReadLine());
                result += number;
                if (result >= n)
                {
                    break;
                }
            }
            Console.WriteLine($"{result}");
        }
    }
}