[StartCode]
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp16
{
    internal class Program
    {
        static void Main(string[] args)
        {
            Dictionary<string, string> peoples = new Dictionary<string, string>();
            peoples.Add("Алекс", "23 года");
            peoples.Add("Антон", "22 года");
            peoples.Add("Семён", "32 года");
            peoples.Add("Андрей", "20 лет");
            peoples.Add("Максим", "36 лет");

            Showage(peoples);
        }

        static void Showage(Dictionary<string,string>peoples)
        {
            if (peoples.ContainsKey(Console.ReadLine()))
                Console.WriteLine(peoples["Алекс"]);

            else
                Console.WriteLine("Такого нету.");
        }
    }
}
[endCode]