class X
{
	private static int a;
	private int b;

	public X(int n)
	{
		this.a = n;
		this.b = n;
	}

	public void print()
	{
		System.out.printf("a is %d,  b is %d\n", a, b);
	}
}

public class Main
{

	public static void main(String[] args)
	{
		X x1 = new X(1);
		X x2 = new X(2);
		X x3 = new X(3);
		x1.print();
		x2.print();
		x3.print();
	}
}