using System;
class Erind1{
   public static void Main(string[] arg){
      string tekst1="Tere";
      int arv1=int.Parse(tekst1);
      Console.WriteLine(arv1);
   }
}

/*
C:\Projects\oma\naited>Erind1

Unhandled Exception: System.FormatException: Input string was not in a correct format.
   at System.Number.StringToNumber(String str, NumberStyles options, 
   NumberBuffer& number, NumberFormatInfo info, Boolean parseDecimal)
   at System.Number.ParseInt32(String s, NumberStyles style, NumberFormatInfo info)
   at Erind1.Main(String[] arg)
*/