# Project Euler 2

```
var sum = 2;
var previous = 1;
var current = 2;
while (current < 4000000) {
var next = previous + current;
if (next % 2 == 0) {
sum += next;
}
previous = current;
current = next;
}
console.log(sum);
```

Written on August 9, 2016