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

int main (void)
{

  int TID;

  #pragma omp parallel private(TID) 
  {

     TID = omp_get_thread_num();
     printf("Thread %d : Hello, ",TID);
     printf("world!\n");
  }  /*-- End of parallel region --*/

}