public class Calculator
{
	public  int add(int x, int y)
	{
		return x + y;
	}

	public  int multiply(int x, int y)
	{
		return x * y;
	}

	public  int subtract(int x, int y)
	{
		return x - y;
	}

	public int divide(int x, int y)
	{
		if(y != 0)
			return x/y;
		else
		{
			System.out.println("Division zero detected....Returning 0");
			return 0;
		}
	}
}