#include <iostream>
using namespace std;

class Test {
public:
	int x;
	Test(int n);
	// Test();
};

Test::Test(int n) {
	cout << "In constructor Test::Test(int n)" << endl;
	x = n;
}

// Test::Test() {
// 	cout << "In constructor Test::Test()" << endl;
// 	x = 0;
// }

int main() {
	Test t;
	cout << t.x << endl;
}