public static void Main()
int m = Convert.ToInt32(Console.ReadLine());
int n = Convert.ToInt32(Console.ReadLine());
int[,] a = new int[m, n];
Random random = new Random();
for (int i = 0; i < m; i++)
for (int j = 0; j < n; j++)
a[i, j] = random.Next(100);
Console.Write("{0,4}", a[i, j]);
Console.WriteLine(k + " " + sum2);