// c++ main.cpp -fopenmp
#include <omp.h>
#include <iostream>

///int const threads = 3;

int main() {
  int threads = 3;
  int value = 0;
  std::cin >> threads;
  ///#pragma omp parallel
  ///#pragma omp parallel private(value)
  ///#pragma omp parallel reduction (+: value)
  ///#pragma omp parallel num_threads(threads)
  #pragma omp parallel reduction (+: value) num_threads(threads)
  {
        auto num = omp_get_thread_num();
        ///value++;
        value = num+1;
    #pragma omp critical
    {
        std::cout << " thread " << num << ":  value = " << value << std::endl;
    }
  }
  std::cout << " main thread " << omp_get_thread_num() 
            << ":  main value = " << value << std::endl;
  return 0;
}