#include <stdio.h>
#include "mpi.h"
main(int argc, char** argv) {
    int noprocs, nid;
    MPI_Init(&argc, &argv);
    MPI_Comm_size(MPI_COMM_WORLD, &noprocs);
    MPI_Comm_rank(MPI_COMM_WORLD, &nid);

    printf("Hello world! I'm node %i of %i \n", nid, noprocs);
    MPI_Finalize();
}