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

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

  int rank, size;
  int l;
  char name[MPI_MAX_PROCESSOR_NAME];

  MPI_Init( &argc, &argv );

  // Get rank
  MPI_Comm_rank(MPI_COMM_WORLD, &rank);

  // Get size
  MPI_Comm_size(MPI_COMM_WORLD, &size);

  // Get name
  MPI_Get_processor_name (name , &l);

  printf("Hello world from process %d of %d on processor named %s\n", rank, size, name);
  
  MPI_Finalize();
  
  return 0;
}