using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

​

public class Program

{

    public static void Main()

    {

        List<string> items = new List<string>();

        items.AddRange(

            Enumerable.Range(0, 60)

                .Select(i => i.ToString().PadLeft(2, '0'))

            .ToList()   

        );

        items.ForEach(Console.WriteLine);

    }

}