public static plus operator +(plus obj1, plus obj2)
{
plus sum = new plus();
sum.x = obj1.x + obj2.x;
sum.y = obj1.y + obj2.y;
return(sum);
}
static void Main(string[] args)
{
plus c1 = new plus(2, 3);
plus c2 = new plus(7, 9);
plus result = c1 + c2;
Console.WriteLine(result);
Console.ReadLine();
}
