#include <iostream>
#include <list>
#include <iterator>
#include <conio.h>
#include <string>
#include <exception>
#include <fstream>
#define _CRT_SECURE_NO_WARNING
using namespace std;
class a {
    int as;
public:
    a(int b) {
        cout << "constructor detected" << endl;
        as = b;
    }
    a(a &b) {
        cout << "Constructor detected" << endl;
    }


};
int test(a test) {
    return 2;
}
int main(){
    a b(8);
    test(b);
    return 0;
}