using System;

​

public class Program

{

    static int [,] NhapMaTran ()

    {

        int [,] A;

        int n,m;

        Console.Write("Nhap so dong: ");

        n = int.Parse(Console.ReadLine());

        Console.Write("Nhap so cot: ");

        m = int.Parse(Console.ReadLine());

        A = new int [m,n];

        return A;

    }

​

    public static void Main()

    {

        int [,] A = NhapMaTran();

    }

}