hellow MPI

this is the code what i ised in the hello word

#include<stdio.h>
#include <mpi.h>
int main(int argc, char *argv[])
{
   int nprocs, myproc;
   MPI_Init( &argc, &argv );
   MPI_Comm_size( MPI_COMM_WORLD, &nprocs );
   MPI_Comm_rank( MPI_COMM_WORLD, &myproc );
   printf("Hola soy %d  de %d \n\n",myproc,nprocs);
   MPI_Finalize();
   return 0;
}