using System;

namespace Degiskenler
{
    internal class Program
    {
        static void Main(string[] args)
        {
            int yas = 25;
            double boy = 1.78;
            string ad = "Altan Emre";
            char harf = 'A';
            bool ogrenciMi = true;
            const double Pi = 3.14;

            Console.WriteLine("Ad: " + ad);
            Console.WriteLine("Yas: " + yas);
            Console.WriteLine("Boy: " + boy);
            Console.WriteLine("Not harfi: " + harf);
            Console.WriteLine("Ogrenci mi: " + ogrenciMi);
            Console.WriteLine("Pi: " + Pi);
        }
    }
}