using System;

using System.Xml;

using System.Xml.Serialization;

using System.IO;

using System.Linq;

using System.Collections;

using System.Collections.Generic;

using System.Xml.Linq;

using System.Data;

using System.Collections.Specialized;

using System.Text.RegularExpressions;

using System.Globalization;

using System.Diagnostics;

public class Program

{

    public static void Main()

    {

        string one = "000220";

        string two = "1";

        (int.Parse(one) +int.Parse(two)).ToString().PadLeft(6,'0').Dump();

    }

}