Srbsko

using System;

namespace SrbskoUnleashed
{
    class Program
    {
        static void Main(string[] args)
        {
            while (true)
            {
                bool isSinger = true;
                bool isPlace = false;
                string line = Console.ReadLine();
                if (line.Equals("End"))
                    break;
                string[] tokens = line.Split();
                if (tokens[0].Contains('@'))
                    continue;
                string singer = string.Empty;
                string venue = string.Empty;

                foreach (var item in tokens)
                {
                    if(isSinger)
                        singer += item;
                    if (item.Contains('@'))
                    {
                        isSinger = false;
                        isPlace = true;
                    }
                    if()
                    if (isPlace)
                        venue += item;
                }
            }
        }
    }
}