using System;

using System.Linq;

public class Program

{

    public static void Main()

    {

        int [] numbers = Console.ReadLine().Split(' ').Select(int.Parse).ToArray();

        int searchNumber = int.Parse(Console.ReadLine());

        int index = -1;

        long sum = 0;

        for(int i = 0; i < numbers.Length; i++)

        {

            if (numbers[i] == searchNumber)

            {

                index = i;

            }

        }

        if (index == -1)

        {

            Console.WriteLine("No occurrences were found!");

        }

        else

        {

            for(int i =0; i < index; i++)

            {

                sum += numbers[i];

            }

            Console.WriteLine(sum);

        }

    }

}