/* package whatever; // don't place package name! */

import java.util.*;
import java.lang.*;
import java.io.*;

/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
	 System.out.println("課題B-5");
      int i,a;
      for(i=0;i<10;i++){
       for(a=0;a<=i;a++){
        if(a<=i){
           System.out.print("#");
        }else{     
           System.out.print(" ");
        }
       }     
         System.out.println();
      
      }
	}
}