using System; using System.Collections.Generic; using System.Text; namespace ConsoleApplication5 { class Program { static void Main(string[] args) { int cislo; int soucet; string strCislo; soucet = 0; strCislo = "0"; while (strCislo != null) { cislo = System.Convert.ToInt32(strCislo); soucet += cislo; strCislo = Console.ReadLine(); } Console.WriteLine(); Console.Write(soucet); Console.WriteLine(); } } }