using System;

class Test
{
    static void test(string s)
    {
	int id;
        if (!int.TryParse(s, out id)) {
            // can't parse
            id = 0;
        }
        Console.WriteLine("{0} = {1}", s, id);
    }
    static void Main()
    {
        test("100500");
        test("blabla");
    }
}