import java.util.ArrayList;
import java.util.List;
import java.util.*;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;

public class Fabrika {
    int max_capacity = 5;
    List products = new ArrayList<>();
    static Lock lock = new ReentrantLock();
    public Fabrika(int capacity) {
        max_capacity = capacity;
    }
    public void produce(String s) throws InterruptedException{
        while(true) {
            lock.lock();
            if (products.size() < max_capacity) {
                System.out.println("Produced: " + s);
                products.add(s);
                lock.unlock();
                break;
            }
            lock.unlock();
        }
    }
    public void consume() throws InterruptedException{
       while(true) {
           lock.lock();
           if(products.size() > 0) {
               String s = products.remove(0);
               System.out.println("Consumed: " + s);
               lock.unlock();
               break;
           }
           lock.unlock();
       }
    }
}