using System;

public class HelloWorld
{
    public static void Main(string[] args)
    {
        string[,] sigma =
        {
            { "Eriks", "Rudolfs", "Roberts" },
            { "Andrejs", "Mikus", "Edgars" }
        };
        KlasesSaraksts(sigma);
    }
    public static void KlasesSaraksts(string[,] sigma)
    {
        for (int i = 0; i < sigma.GetLength(0); i++) 
        {
            Console.Write((i+1)+ ".Pusgrupa: ");
            for (int j = 0; j < sigma.GetLength(1); j++) 
            { 
                Console.Write(sigma[i, j] + "\t"); 
            }
            Console.WriteLine();
        }
    }
}