using System;
public class Program
{
public static void Main()
Console.WriteLine("enter number");
int num = int.Parse(Console.ReadLine());
int count1 = 1;
int count2 = 1;
while (count1 <= num) //X num times
count2 = 1;
while (count2 <= count1)
Console.Write(count2);
count2++;
}
Console.WriteLine();
count1++;