public static void Main()
Console.Write("Input Row:");
int n = int.Parse(Console.ReadLine());
Console.Write("Input Col:");
int m = int.Parse(Console.ReadLine());
for (int i = 0; i < m; i++)
for (int j = 0; j < n; j++)
Console.Write("a({0},{1})=", j, i);
a[j, i] = int.Parse(Console.ReadLine());