#include <iostream>
#include <thread>
 
volatile int run = true;
 
using namespace std;
class thA
{
    public:
    int fun(int a, int b, int c)
    {
        return a + b + c;
    }
    int fun()
    {
        cout << "Hello World" << endl;
        run = false;
        return 0;
    }
};
int main()
{
    thA a;
 
    using func = int (thA::*)(void);
 
    thread classAAA( func(&thA::fun), a);
 
    classAAA.detach();
    while(run){}
    return 0;
}
 

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