#include <iostream>
#include <string.h>
#include <stdio.h>
#include <fstream>
#include <math.h>
#include <mpi.h>
#include <sys/times.h>


#include "petscvec.h"
#include "petscmat.h"
#include "petscoptions.h"
#include "petscsys.h"


static char help[] ="";

typedef double real; 



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

  PetscInitialize(&argc, &argv,(char *)0, help);

 int rank;
 MPI_Comm_rank(MPI_COMM_WORLD, &rank);
   
using namespace std;

 if (rank == 0)	 
   cout<<"Hello World ! "<<endl;


 //  PetscPrintf(PETSC_COMM_WORLD,"Hello World");


     PetscFinalize();
        return 0;
}