import java.util.Scanner;

import javax.naming.OperationNotSupportedException;

public class Computer {
	Scanner sc = new Scanner(System.in);
	private int year;
	private double price;
	private boolean isNotebook;
	private double hardDiskMemory;
	private double freeMemory;
	String operationSystem;



	public Computer(int year){
		this.year = year;
	}
	public Computer(int year, double price) {
		this(year);
		this.price = price;
	}
	public Computer(int year, double price, boolean isNotebook) {
		this(year, price);
		this.isNotebook = isNotebook;
	}
	public Computer(int year, double price, boolean isNotebook, double hardDiskMemory) {
		this(year, price, isNotebook);
		this.hardDiskMemory = hardDiskMemory;
	}
	public Computer(int year, double price, boolean isNotebook, double hardDiskMemory, double freeMemory) {
		this(year, price, isNotebook, hardDiskMemory);
		this.freeMemory = freeMemory;
	}
	public Computer(int year, double price, boolean isNotebook, double hardDiskMemory, double freeMemory, String operationSystem) {
		this(year, price, isNotebook, hardDiskMemory, freeMemory);
		this.operationSystem = operationSystem;
	}


	public void changeOperationSystem(String operationSystem) {
		this.operationSystem = operationSystem;
	}

	public void useMemory(double memory) {
		if (memory > freeMemory) {
			System.out.println("Nqma dostatuchno svobodno mqsto!");
		}
		freeMemory -= memory;
	}

}