public static minus operator -(minus obj1, minus obj2)
{
minus dif = new minus();
dif.x = obj1.x - obj2.x;
dif.y = obj1.y - obj2.y;
return(dif);
}
static void Main(string[] args)
{
minus c1 = new minus(5, 9);
minus c2 = new minus(1, 3);
minus result = c1 - c2;
Console.WriteLine(result);
Console.ReadKey();
}