using System;

public class Program

{

    public static void Main()

    {

        using System;

​

class Program {

  public static void Main (string[] args) {

​

    // List of Majors

​

    const string Maj_AC = "AC";  // Accounting

    const string Maj_BA = "BA";  // Business Analytics

    const string Maj_FI = "FI";  // Finance

    const string Maj_IB = "IB";  // International Business

    const string Maj_IS = "IS";  // Information Systems

    const string Maj_MA = "MA";  // Marketing

    const string Maj_OM = "OM";  // Operations Management

    const int numGroups = 10;

    string[][] Seat = new string[numGroups][];

​

    Seat[0] = new string[] { "Jagdeep,IS,FI", "Chase,IS"};

    Seat[1] = new string[] { "Natalie,IS,BA", "Derek,IS"};

    Seat[2] = new string[] { "Garrett,IS,BA", "Kaito,IS" };

    Seat[3] = new string[] {"Pradeep,IS,BA","Dana,IS,BA"};

    Seat[4] = new string[] {"Lauren,IS", "Ilona,IS,OM"};

    Seat[5] = new string[] {"Rocky,IS","Jakob,IS"};

    Seat[6] = new string[] {"Claudia,IS","Zhan,FI,IS","Jisu,IS,OM","Dongwoo,IS,BA" };

    Seat[7] = new string[] {"Rachel,AC,IS", "Thomas,IS,OM", "Tejesh,IS,BA"};

    Seat[8] = new string[] {"Caroline,IS,IB", "Reilly,IS,OM", "Esha,IS,FI", "Vanessa,IS"};

    Seat[9] = new string[] {"Sarah,IS,BA","Grace,IS,BA", "Yexi,AC,IS,BA", "Natasha,MA,IS", "Joseph,FI,IS"};

​

    int grpNum = 0;

    int count =  0;

    foreach (string[] seatGroup in Seat)

    {

      Console.WriteLine("Group {0}", grpNum);

      Console.WriteLine("----------");

      foreach (string student in seatGroup)

      {

        string[] studentInfo = student.Split(','); 

        string name = studentInfo[0];

        Console.Write(name + " : ");

        for (int i=1; i < studentInfo.Length; i++)

        {

          string major = (studentInfo[i]);

          // Given the major let's count them here

          Console.Write(major + ", ");

        }

        Console.WriteLine();

        count++;

      }

      grpNum++;

      Console.WriteLine();

    } 

​

    Console.WriteLine("{0} students in class", count);

  }

}

​

​

    /*

    string phone = "";

    bool valid = false;  

    do

    {

      phone = Console.ReadLine();

    } while ( ! (valid || phone == "") );

​

    // while ( !valid && phone != "" );

    */

​

/*

    string formattedPhone = phone == "" ?

                            "" :

                            String.Format("({0}) {1}-{2}",      

                                          phone.Substring(0, 3),

                                          phone.Substring(3, 3),

                                          phone.Substring(6, 4));

​

    Console.WriteLine(formattedPhone);

*/

    }

}