/**
 *
max = 4000000
sum = 0
a = 1
b = 1
c = a + b
while c < max
   sum = sum + c
   a   = b + c
   b   = c + a
   c   = a + b
display sum
 *
 * @author Muhammad Azri bin Jasni
 * @version (schema answer)
 */
public class problem2
{
    public static void main(String [] args)
    {
        long begin = System.currentTimeMillis();

        int max = 4000000, sum = 0, a = 1, b = 1, c = a + b;
        while( c < max)
        {
            sum = sum + c;
            a = b + c;
            b = c + a;
            c = a + b;
        }

        System.out.println("Sum: " + sum);

        long end   = System.currentTimeMillis();
        System.out.println("Time:" + (end-begin)+" ms");
    }
}