diff --git a/kadai3/itosho/gownload/.gitkeep b/kadai3/itosho/gownload/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/kadai3/itosho/gownload/main.go b/kadai3/itosho/gownload/main.go
new file mode 100644
index 0000000..fa88d96
--- /dev/null
+++ b/kadai3/itosho/gownload/main.go
@@ -0,0 +1,27 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"log"
+	"os"
+)
+
+func main() {
+	flag.Usage = usage
+	flag.Parse()
+
+	if flag.NArg() != 1 {
+		log.Fatal("Invalid Args. Please specify url.")
+	}
+	args := flag.Args()
+	url := args[0]
+
+	print(url)
+}
+
+func usage() {
+	fmt.Println("usage: gownload [url]")
+	flag.PrintDefaults()
+	os.Exit(0)
+}