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

int main( int argc, char *argv[]) /* first_mpi */
{
    int my_rank;
    char message[100]="Hello from ";
    int ierr;

    ierr = MPI_Init(&argc,&argv);
    ierr = MPI_Comm_rank(MPI_COMM_WORLD,&my_rank);

    printf("%s %d\n",message,my_rank);

    MPI_Finalize();

    return 0;
}