# include <cstdlib>
# include <iostream>

using namespace std;

int main ( )
{
  int i;
  int j;

  cout << "\n";
  cout << "Here are the locations on a chessboard:\n";
  cout << "\n";

  for ( i = 1; i <= 8; i++ )
  {
    for ( j = 1; j <= 8; j++ )
    {
      cout << "  (" << i << "," << j << ")";
    }
    cout << "\n";
  }

  cout << "\n";
  cout << "Here are the locations on a checkerboard:\n";
  cout << "\n";

  for ( i = 1; i <= 8; i++ )
  {
    for ( j = 1; j <= 8; j++ )
    {
      if ( ( i + j ) % 2 == 0 )
      {
        cout << "  (" << i << "," << j << ")";
      }
      else
      {
        cout << "       ";
      }
    }
    cout << "\n";
  }

  return 0;
}