package main

import (
	"fmt"
	"strings"
)

func main() {
	// Use a map to store the unique URL directories we find
	dirs := make(map[string]bool)

	// Read the URLs from standard input
	var url string
	for {
		// Read the next URL
		_, err := fmt.Scanln(&url)
		if err != nil {
			break
		}

		// Extract the directory from the URL
		parts := strings.Split(url, "/")
		dir := strings.Join(parts[:len(parts)-1], "/")

		// Add the directory to our map if it's not already there
		if !dirs[dir] {
			dirs[dir] = true
			fmt.Println(dir)
		}
	}
}