Project Euler - Problem 2 - Even Fibonacci Numbers

int first = 0, second = 1, sum = 0;
int temp = 0;
for (int i = 1; i <= 4000; i++)
{
    temp = first + second;
    first = second;
    second = temp;
    if (temp >= 4000000)
        break;
    if (temp % 2 == 0)
        sum += temp;
}
Console.Write(sum + " ");