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

int main (int argc, char *argv[]) {
	int th_id, nthreads;

	#pragma omp parallel private(th_id)
	{
		th_id = omp_get_thread_num();
		printf("Hello World from thread %d\n", th_id);
		#pragma omp barrier
		if ( th_id == 0 ) {
			nthreads = omp_get_num_threads();
			printf("There are %d threads\n",nthreads);
		}
	}

	return 0;
}