package main
 
import (
	"fmt"
	"time"
)
 
func main() {
	go func() {
		time.Sleep(2 * time.Second)
		fmt.Println("első")
	}()
 
	go func() {
		time.Sleep(3 * time.Second)
		fmt.Println("második")
	}()
 
	time.Sleep(5 * time.Second)
	fmt.Println("kész")
}