using System;
public class Program
{
public static void Main()
int[,] masivs = new int[4,4];
int a=0;
for(int i=0; i<4; i++){
for(int u=0; u<4; u++){
masivs[i,u] = a++;
}
Console.WriteLine("2. rindas elementi: ");
Console.Write(masivs[1,i]+" ");
Console.WriteLine("\n4. kolonnas elementi: ");
Console.Write(masivs[i,3]+" ");