# include <stdio.h>
# include <mpi.h>

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

  MPI_Init ( &argc, &argv );
  MPI_Comm_rank ( MPI_COMM_WORLD, &my_id );

  printf ( "Process %d says good afternoon!\n", my_id );

  MPI_Finalize ( );

  return 0;
}