using System;
using System.Linq;
class Program
{
    static void Main()
    {
        var arr = Console.ReadLine().Split().Select(int.Parse).ToArray();
        var num = int.Parse(Console.ReadLine());

        int arrLenght = arr.Length;
        int lastIndex = 0;
        int sum = 0;
        bool noNumber = true;

        for (int i = 0; i < arrLenght; i++)
        {
            if (arr[i] == num)
            {
                noNumber = false;
                lastIndex = i;
            }
        }
        if (noNumber == false)
        {
            for (int i = 0; i < lastIndex; i++)
            {
                sum += arr[i];
            }
            Console.WriteLine(sum);
        }
        else if (noNumber == true)
        {
            Console.WriteLine("No occurrences were found!");
        }
        else if(lastIndex == 0)
        {
            Console.WriteLine(sum);
        }

    }
}