Even Fibonacci numbers in Go

problem02.go

@@ -0,0 +1,13 @@
+package main
+
+import "fmt"
+
+func main() {
+	sum := 0
+	for i, j := 1, 1; j < 4e6; i, j = i+j, i {
+		if j%2 == 0 {
+			sum += j
+		}
+	}
+	fmt.Println(sum)
+}