#include "stdafx.h"
#ifdef _OPENMP 
  #include <omp.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <windows.h>

void Hello();

int main(int argc, char* argv[]) {
int thread_count = strtol(argv[1], NULL, 10);
#  pragma omp parallel num_threads(thread_count) 
      Hello(); 
   return 0;
} 

void Hello(void)  {

   int my_rank = omp_get_thread_num();
   int thread_count = omp_get_num_threads();
   printf("Hello from thread %d of %d\n", my_rank, thread_count);
}