#! an

func main() {  
        a = uptime();
        printnl(isess(a / 86400," day") @ ", " @ isess(a%86400 / 3600, " hour") @ ", " @
         isess(a%86400%3600/60, " minute") @ " and " @ isess(a%86400%3600%60," second"));

}
                        
func isess(a, b) {
                
        b = a @ b;
        if (a != 1)
                b @= "s";
        return b;
        
}

