using System;

public class Program

{

    public static void Main()

    {

        int fiboOne = 1;

        int fiboTwo = 1;

        int fibo = 0;

        int sum = 0;

        for (int i = 1; i<4000000; i++)

        {

        fibo = fiboOne + fiboTwo;

        // Console.WriteLine("Fibo = " + fibo);

        if (fibo % 2 == 0)

        {sum = sum+fibo;}

        fiboTwo = fibo + fiboOne;

        // Console.WriteLine("FiboTwo = " + fiboTwo);

        if (fiboTwo % 2 == 0)

        {sum = sum+fiboTwo;}

        fiboOne = fibo + fiboTwo;

        // Console.WriteLine("FiboOne = " + fiboOne);   

        if (fiboOne % 2 == 0)

        {sum = sum+fiboOne;}

        }

    Console.WriteLine("Summe = " + sum);

    }

}