diff --git a/README.md b/README.md
index d2f37487..d3fdccdb 100644
--- a/README.md
+++ b/README.md
@@ -271,8 +271,10 @@ Here are the Go packages that can be imported correctly:
 * [io](https://pkg.go.dev/io)
 * [io/fs](https://pkg.go.dev/io/fs)
 * [log](https://pkg.go.dev/log)
+* [flag](https://pkg.go.dev/flag)
 * [sort](https://pkg.go.dev/sort)
 * [strconv](https://pkg.go.dev/strconv)
+* [strings](https://pkg.go.dev/strings)
 * [sync/atomic](https://pkg.go.dev/sync/atomic)
 * [sync](https://pkg.go.dev/sync) (partially)
 * [syscall](https://pkg.go.dev/syscall) (partially)
diff --git a/_cmptest/strconv/strconv.go b/_cmptest/strconv/strconv.go
index 461598c1..bc5ccd6e 100644
--- a/_cmptest/strconv/strconv.go
+++ b/_cmptest/strconv/strconv.go
@@ -1,7 +1,12 @@
 package main
 
-import "strconv"
+import (
+	"fmt"
+	"strconv"
+	"strings"
+)
 
 func main() {
-	println(strconv.Itoa(-123))
+	fmt.Println(strconv.Itoa(-123))
+	fmt.Println(strings.Split("abc,def,123", ","))
 }