diff --git a/go/l5.go b/go/l5.go
index fe6ec1f..e232f1e 100644
--- a/go/l5.go
+++ b/go/l5.go
@@ -10,6 +10,7 @@ func main() {
 	err := godotenv.Load()
 	if err != nil {
 		fmt.Println("не")
+		return
 	}
 	api := os.Getenv("api_key")
 	fmt.Println(api)
diff --git a/go/l6.go b/go/l6.go
new file mode 100644
index 0000000..f2e57dd
--- /dev/null
+++ b/go/l6.go
@@ -0,0 +1,18 @@
+package main
+
+import (
+	"fmt"
+	"strings"
+)
+
+func main() {
+	fmt.Println("Ты кто?")
+	var pol string
+	fmt.Scanln(&pol)
+	ser := strings.ToLower(pol)
+	if strings.HasPrefix(ser, "серг") {
+		fmt.Println("Обнаружен сергей")
+	} else {
+		fmt.Println("Ты не сергей")
+	}
+}
diff --git a/go/output/l5 b/go/output/l5
new file mode 100755
index 0000000..4d2bc74
Binary files /dev/null and b/go/output/l5 differ