class FunctionPerformanceTest
{
    private static int c = 0;
    private static int r = 0;
    private static int m = 0;

    public static void main(String[] args)
    {
        long start, end;

        start = System.nanoTime();

        for(int i = 0; i <= 500000000; i++)
        {
            c += incrementR();
            c += incrementM();
        }

        end = System.nanoTime();

        System.out.println("Time: " + (end - start) / 1000000);
        System.out.println("R: " + r);
        System.out.println("M: " + m);
    }

    private static int incrementR()
    {
        if(isModule2(r) == 1)
        {
            r += 1;
        }
        else
        {
            r += 2;
        }

        return r;
    }

    private static int incrementM()
    {
        if(isModule2(m) == 1)
        {
            m += 1;
        }
        else
        {
            m += 2;
        }

        return m;
    }

    private static int isModule2(int v)
    {
        if(v % 2 == 0)
        {
            return 1;
        }
        else
        {
            return 0;
        }
    }
}