using System; namespace yoru { class Program { static void Main(string[] args) { int inputNumber = int.Parse(Console.ReadLine()); if (inputNumber<=1) { Console.WriteLine((1).ToString()); return; } string outputString = string.Empty; for(int i=0;i<inputNumber;++i) { for(int j=inputNumber;j>0;) { outputString += (--j).ToString(); } } Console.WriteLine(outputString); return; } } }