using System; using System.Text; public class Program { static void Main() { string s = Console.ReadLine(); int ss = int.Parse(s); int len = Convert.ToInt32(Math.Floor(Math.Log10(ss))) + 1; var dd= new StringBuilder(len * ss).Insert(0,s,ss).ToString(); for(var i = ss;ss>1;ss--){ Console.WriteLine(dd); dd = dd.Substring(0, dd.Length - len); } Console.WriteLine(dd); } }