#include <iostream>
#include <thread>

using namespace std;

void proc(int* n) {
    static const int INC_COUNT = 10000000;
    for (int i = 0; i < INC_COUNT; i++)
        (*n)++;
}

int main() {
    int n = 0;

    static const int THREAD_COUNT = 2;
    thread* t[THREAD_COUNT];

    for (int i = 0; i < THREAD_COUNT; i++)
        t[i] = new thread(proc, &n);

    for (int i = 0; i < THREAD_COUNT; i++) {
        t[i]->join();
        delete t[i];
    }

    cout << n << endl;
}