using System;
struct Point
{
public int x;
public int y;
public Point(int a, int b)
{
x = a;
y = b;
}
}
class MainClass
{
static void Main()
{
Point p1 = new Point();
Point p2 = new Point(5, 10);
Console.WriteLine("{0},{1}", p1.x, p1.y);
Console.WriteLine("{0},{1}", p2.x, p2.y);
}
}