ExtractPersonInfo

using System;
using System.Text;
using System.Linq;
using System.Collections.Generic;

namespace MorseCodeTranslator
{
    class Program
    {
        static void Main(string[] args)
        {
            int lines = int.Parse(Console.ReadLine());

            StringBuilder name = new StringBuilder();
            StringBuilder age = new StringBuilder();

            for (int i = 0; i < lines; i++)
            {
                string stringStr = Console.ReadLine();

                string[] splitted = stringStr.Split();

                for (int j = 0; j < splitted.Length; j++)
                {
                    if (splitted[j].Contains("@") && splitted[j].Contains("|"))
                    {
                        int lastIndexOfStart = splitted[j].LastIndexOf("@");
                        int firstIndexOfEnd = splitted[j].IndexOf("|");

                        name.Append(splitted[j].Substring(lastIndexOfStart + 1, firstIndexOfEnd - 1));
                    }

                    if (splitted[j].Contains("#") && splitted[j].Contains("*"))
                    {
                        int lastIndexOfStart = splitted[j].LastIndexOf("#");
                        int firstIndexOfEnd = splitted[j].IndexOf("*");

                        age.Append(splitted[j].Substring(lastIndexOfStart + 1, firstIndexOfEnd - 1));
                    }
                }

                Console.WriteLine($"{name} is {age} years old.");
                name.Clear();
                age.Clear();
            }
        }
    }
}