using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("input age:");

        int n=int.Parse(Console.ReadLine());

        if(n<10){Console.WriteLine("koodak");}

        else if(n<20){Console.WriteLine("nojavan");}

        else if(n<30){Console.WriteLine("javan");}

        else if(n<40){Console.WriteLine("miansal");}

        else if(n>40){Console.WriteLine("pir");}

    }

}