#include <iostream.h>
#include <conio.h>
 
void main ()
{
   int counter, first, last, square;
   first = 1;  last = 10;
 
   // for loop
   for (counter = first;  counter <= last;  counter  )
   {
      cout << "\nX = " << counter;
      square = counter * counter;
      cout << " X*X = " << square;
   }
 
 
   // while loop
   counter = first;
   while (counter <= last)
   {
      cout << "\nX = " << counter;
      square = counter * counter;
      cout << " X*X = " << square;
      counter  ;
   }
 
 
   // do-while loop
   counter = first;
   do
   {
      cout << "\nX = " << counter;
      square = counter * counter;
      cout << " X*X = " << square;
      counter  ;
   } while (counter <= last);
 
 
}