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

namespace ConsoleApplication11
{
    class Program
    {
        static void NactiText(ref string txt)
        {
            Console.WriteLine("Zadejte vstupni text:");
            txt = Console.ReadLine();
        }

        static bool JeCislice(char z)
        {

            return (z >= '0' && z <= '9');
        }
        static void Zpracuj(string txt)
        {

            char pred = '0';
            int pocetcisel = 0;
            for (int i = 0; i < txt.Length; i++)
            {
                if (JeCislice(pred) && (!(JeCislice(txt[i]))))
                    pocetcisel++;
                pred = txt[i];
            }
            Console.WriteLine("Pocet celych cisel ve vete {0} je {1}", txt, pocetcisel);
        }

        static void Main(string[] args)
        {
            char volba = '9';
            string vstup = "";
            do
            {
                Console.Clear();
                if (volba == '1' || volba == '0') NactiText(ref vstup);
                if (volba == '2' || volba == '0') Zpracuj(vstup);
                Console.WriteLine("Program pocita pocet celych cisel v zadani. Napr. asdfsafd45.98asd je vysledek 2.\n\n1..Zadat vstupni text\n2..Zpracovat\n----------------\n9..Konec");
                volba = Console.ReadKey().KeyChar;
            } while (volba != '9');
        }
    }
}