#include <iostream>
#include <memory>
using namespace std;

class A {
public:
    unique_ptr <int[]> data;

    A(int* d) : data(d) {
        throw runtime_error("err");
    }

    ~A() {
        cout << "A's destructor was called" << endl;
    }
};

class B {
public:
    unique_ptr<int[]> data2;
    A* a;

    B() : data2(new int[10]), a(new A(new int[5])) {}

    ~B() {
        cout << "B's destructor was called" << endl;
    }
};

int main() {
    try {
        B c;
    }
    catch (exception e) {
        cout << "EXCEPTION SUCK";
    }
}