#include<mpi.h>
#include<stdio.h>
int main(int argc,char *argv[ ])
{
int size,myrank;
MPI_Init(&argc,&argv);
MPI_Comm_size(MPI_COMM_WORLD,&size);
MPI_Comm_rank(MPI_COMM_WORLD,&myrank);
printf("Process %d of %d, Hello World\n",myrank,size);
MPI_Finalize();
return 0;
}