#include <iostream.h>
#include <stdlib.h>

#include <stdio.h>


main()
{
 int a;
 int b;
 int c;
 int x=1;
 int y;

 a=7;
 b=20;

      printf("%d\n",c);

      while(a>0)
      {
         printf("%d\n",x);

         y=x;

          while(y>0)
          {
            printf("*");
            y=y-1;
          }

          printf("\n");

         a = a-1;
         x = x*2;


      }

      /*printf("\nla variabile a vale %d,la variabile b vale %d\n",a,b);*/


      system("PAUSE");
      return 0;
}