# include <cstdlib>
# include <iostream>
# include <iomanip>

using namespace std;

# include "mpi.h"

int main ( int argc, char *argv[] );

//****************************************************************************80

int main ( int argc, char *argv[] )

//****************************************************************************80
//
//  Purpose:
//
//    MAIN is the main program for HELLO.
//
//  Licensing:
//
//    This code is distributed under the GNU LGPL license.
//
{
  int id;
  int p_num;
//
//  Initialize MPI.
//
  MPI::Init ( argc, argv );
//
//  Get the number of processes.
//
  p_num = MPI::COMM_WORLD.Get_size ( );
//
//  Get the individual process ID.
//
  id = MPI::COMM_WORLD.Get_rank ( );
//
//  Only process 0 prints this message.
//
  if ( id == 0 ) 
  {
    cout << "\n";
    cout << "HELLO - Master process:\n";
    cout << "  C++ version\n";
    cout << "\n";
    cout << "  The number of processes is " << p_num << "\n";
    cout << "\n";
  }
//
//  Every process prints this message.
//
  cout << "  Hello from process " << id << "\n";
//
//  Shut down MPI.
//
  MPI::Finalize ( );

  return 0;
}