using System;
using System.Linq;
public class Test
{
public static void Main()
{
string value = "11,.Ad23";
string nonNumericValue = string.Concat(value.Where(c => !Char.IsDigit(c)));
Console.WriteLine(nonNumericValue);
}
}
dXNpbmcgU3lzdGVtOwp1c2luZyBTeXN0ZW0uTGlucTsKCnB1YmxpYyBjbGFzcyBUZXN0CnsKCXB1YmxpYyBzdGF0aWMgdm9pZCBNYWluKCkKCXsKCQlzdHJpbmcgdmFsdWUgPSAiMTEsLkFkMjMiOwoJCXN0cmluZyBub25OdW1lcmljVmFsdWUgPSBzdHJpbmcuQ29uY2F0KHZhbHVlLldoZXJlKGMgPT4gIUNoYXIuSXNEaWdpdChjKSkpOwoJCUNvbnNvbGUuV3JpdGVMaW5lKG5vbk51bWVyaWNWYWx1ZSk7Cgl9Cn0=