Using System;

namespace old4Test1
{
    class Program
    {
        static void Main()
        {
            Console.WriteLine(IsFirstBiggerThanLast(123456));
            Console.WriteLine(IsFirstBiggerThanLast(62514));
            Console.WriteLine(IsFirstBiggerThanLast(1));
            Console.WriteLine(IsFirstBiggerThanLast(12));
            Console.WriteLine(IsFirstBiggerThanLast(105));

            Console.ReadKey();
        }

        // Определите,какая цифра числа-первая или последняя больше. C#
        private static bool IsFirstBiggerThanLast(int number)
        {
            Console.WriteLine(number);
            var s = number.ToString();
            return s[0] > s[s.Length - 1];
        }
    }
}