#include <omp.h>
#include <stdio.h>

int main (int argc, char *argv[]) {
  int id, nthreads;
  #pragma omp parallel private(id)
  {
	id = omp_get_thread_num();
	printf("Hello World from thread %d\n", id);
	#pragma omp barrier
	if ( id == 0 ) {
	  nthreads = omp_get_num_threads();
	  printf("There are %d threads\n",nthreads);
	}
  }
  return 0;
}