#include <iostream>
using namespace std;

int main()
{
   int counter = 0;

   for (int i = 0; i < 10; i++) 
   {  
      for (int j = 0; j < 5; j++)
      {
	 counter++;
         cout << "i = " << i << "\tj = " << j << '\t';
         cout << "counter = " << counter << '\n';
      }
   }

   return 0;
}