#include <iostream>
#include <thread>
using namespace std;
class copyClass
{
public:
	int index;
};
class SayHello
{
private:


public:
	copyClass hallos;
	SayHello( )
	{

	}
	void set(copyClass classchange)
	{
		hallos=classchange;
	}
	void print()
	{
		for(int i=0;i<10000000;i++)
		cout<<"indez "<<hallos.index<<endl;
	}
	void operator()()
	{
		print();
	}
};

int main() {
	copyClass indexing;
	indexing.index=0;
	SayHello hallo;
	hallo.set(indexing);
	thread td0(hallo);
	SayHello hallo1;
	indexing.index=1;
	hallo1.hallos=indexing;
	thread td1(hallo1);
	cout << "!!!Hello World!!!" << endl; // prints !!!Hello World!!!
	td0.join();
	td1.join();
	return 0;
}