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

class Cons extends Thread{
  Buffer b; int id;
  Cons(Buffer p, int n) { this.b=p; id=n;}
  public void run()  {
    while(true)
    	{ int el=b.get(); System.out.println("C” + id + “ consumo: " + el); }
  }
}

class Prod extends Thread {  
  Buffer b;  Random r;
  Prod(Buffer p){ this.b=p; r=new Random(); }
  public void run(){
    while (true)
		{ int el=r.nextInt(); b.put(el); System.out.println("P-Ho prodotto:  "+el); }
  }
}

class Pc {  // Classe principale contentene il main 
  static Buffer buf=new Buffer();
  public static void main(String Arg[])
  {    
    Prod  	a=new Prod(buf);
    Cons  	b=new Cons(buf,0);
    Cons 	c=new Cons(buf,1);
    a.start();     b.start();     c.start();
  }
}