#include <iostream>
#include <chrono>
#include <thread>
using namespace std;

long int* a1 = new long int();
long int* a2 = new long int();
long int* a3 = new long int();
long int* a4 = new long int();
long int* a5 = new long int();
long int* a6 = new long int();

void thrfunc(long int* a) {
	for (int i = 0; i < 2e+9; i++) {
		*a += i + i * i;
	}
}

int main() {
	auto tt = chrono::high_resolution_clock::now();
	thread bgt1(thrfunc, a1), bgt2(thrfunc,a2), bgt3(thrfunc,a3), bgt4(thrfunc,a4), bgt5(thrfunc,a5), bgt6(thrfunc,a6);
	bgt1.join();
	cout << "| 1\tend\t" << *a1 << '\n';
	bgt2.join();
	cout << "| 2\tend\t" << *a2 << '\n';
	bgt3.join();
	cout << "| 3\tend\t" << *a3 << '\n';
	bgt4.join();
	cout << "| 4\tend\t" << *a4 << '\n';
	bgt5.join();
	cout << "| 5\tend\t" << *a5 << '\n';
	bgt6.join();
	cout << "| 6\tend\t" << *a6 << '\n';
	auto dc = chrono::duration_cast<chrono::milliseconds>(chrono::high_resolution_clock::now() - tt);
	cout << "|\t" << dc.count();
}