import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;

class MonitorArray {

    private int[] array;
    private int indeks = 0;
    private Lock laas = new ReentrantLock();

    public MonitorArray(int str){
        array = new int[str];
    }

    public boolean settInn(int tall){
        laas.lock();
        try {
            if(indeks < array.length){
                array[indeks] = tall;
                indeks++;
                System.out.println(tall);
                return true;
            }else{
                return false;
            }  
        } catch (Exception e) {
            System.out.println("Noe gikk galt i settInn");
        }finally{
            laas.unlock();
        }
        return false;
    }
    
}