//Test.java

import java.io.File;
import java.io.FileNotFoundException;
import java.util.Scanner;

public class Test
{
    public static void main(String[] args)
    {
        String s = "2 4 6 23 12";
        Scanner inputStream = new Scanner(s);
        int sum = 0;
        while (inputStream.hasNextInt())
        {
            int i = inputStream.nextInt();
            sum += i;
        }
        System.out.println(sum);
    }
}