using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApplication2
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("請輸入行數");
            int hang=int.Parse(Console.ReadLine());
            for (int i = 1; i <= hang;i++)
            {
                for (int j = 1; j <= i;j++ )
                {
                    Console.Write(i);
                }
                Console.WriteLine();
            }
            Console.ReadLine();
            
            
        }
    }
}