class P{
public static void Main(){
System.Collections.Generic.List<int> x = new System.Collections.Generic.List<int>();
x.Add(1);
x.Add(2);
x.Add(3);
System.Console.WriteLine(System.String.Concat(x.ConvertAll(delegate(int p){ return p.ToString();})));
}
}
Y2xhc3MgUHsKCXB1YmxpYyBzdGF0aWMgdm9pZCBNYWluKCl7CgkJU3lzdGVtLkNvbGxlY3Rpb25zLkdlbmVyaWMuTGlzdDxpbnQ+IHggPSBuZXcgU3lzdGVtLkNvbGxlY3Rpb25zLkdlbmVyaWMuTGlzdDxpbnQ+KCk7CgkJeC5BZGQoMSk7CgkJeC5BZGQoMik7CgkJeC5BZGQoMyk7CgoJCVN5c3RlbS5Db25zb2xlLldyaXRlTGluZShTeXN0ZW0uU3RyaW5nLkNvbmNhdCh4LkNvbnZlcnRBbGwoZGVsZWdhdGUoaW50IHApeyByZXR1cm4gcC5Ub1N0cmluZygpO30pKSk7Cgl9Cn0=