using System;
public class Diem
{
//Thanh phan du lieu
private int x;
private int y;
//Thanh phan xu ly
public Diem()
this.x = 0;
this.y = 0;
}
public Diem(int a, int b)
this.x = a;
this.y = b;
public int Truc_x
get
return this.x;
set
this.x = value;
public int Truc_y
return this.y;
this.y = value;
public static void Main()
Diem l = new Diem();
Console.WriteLine(l.XuatDiem());
Diem f = new Diem(1, 7);
Console.WriteLine(f.XuatDiem());
int x = f.Truc_x;
int y = f.Truc_y;
l.Truc_x = 0;
l.Truc_y = 7;
Console.WriteLine($"({x},{y})");
