class NumInt
{
	private int num;
	
	public NumInt(int num)
	{
		this.num = num;	
	}	
	
	public NumInt()
	{
		this.num = 0;	
	}
	
	public void sumar(int b)
	{
		this.num += b;	
	}
	
	public void multiplicar(int x)
	{
		this.num *= x;	
	}
	
	public int getNum()
	{
		return num;
	}

	public static void main(String arg[])
	{
		NumInt a = new NumInt(8);
		
		System.out.println("Valor Inicial : " + a.getNum());
		
		a.sumar(2);
		a.multiplicar(5);
		
		System.out.println("ahora el numero vale : " + a.getNum());
	}
}