import java.util.*;
import java.lang.*;
import java.io.*;

// The main method must be in a class named "Main".
class Aho {
    private String name;
    private int age;
    public Aho(String name, int age) {
        this.name = name;
        this.age = age;
    }
    public void baka(){
        System.out.println("N:"+name);
        System.out.print("A:"+age);
    }
    
}
class Main {
    public static void main(String[] args) {
        System.out.println("Hello world!");
        Aho post = new Aho("Rathe",5);
        post.baka();
    }
}