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

int main(int argc, char* argv[])
{
    int myid, np;
    int namelen;
    char processor_name[MPI_MAX_PROCESSOR_NAME];

    MPI_Init(&argc, &argv);
    MPI_Comm_rank(MPI_COMM_WORLD, &myid);
    MPI_Comm_size(MPI_COMM_WORLD, &np);
    MPI_Get_processor_name(processor_name, &namelen);

    printf("*** Process %d of %d SAY HELLO TO MPI on %s\n",
      	myid, np, processor_name);

    MPI_Finalize();
    return 0;
}