dobavyane na ychenici

using System;
using System.Linq;
using System.Collections.Generic;
public class Program
{
    public static void Main()
    {
		Dictionary<string, List<string>> school = new Dictionary<string, List<string>> ();
		while(true)
		{
			string[] command = Console.ReadLine().Split(' ');
			if (command[0] == "End")
			{
				break;
			}
			else if (command[0] == "Add")
			{
				string student = command[1];
				string paralelka = command[2];
				if(school.ContainsKey(paralelka))
				{
					school[paralelka].Add(student);
				}
				else
				{
					List<string> newParalelka = new List<string>();
					newParalelka.Add(student);
					school[paralelka] = newParalelka;
				}
			}
		}
		foreach(string paralelka in school.Keys)
			{
				Console.WriteLine("Class name: " + paralelka);
				foreach(string student in school[paralelka])
				{
					Console.WriteLine("###" + student);
				}
			}

	}
}