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

class A {
public:
    int* data;

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

    ~A() {
        cout << "A" << endl;
    }
};

class B {
public:
    int* data2;
    A* a;

    int* arg;
    B(int* s) try : data2(s), a(new A(arg = new int(2))) {
    }
    catch (exception e) {
        delete arg;
    }

    ~B() {
        cout << "B" << endl;
    }
};

int main() {
    try {
        int arr[] = {1, 2, 3};
        B b(arr);
    }
    catch (exception e) {
        cout << "SUCK EXCEPTION";
    }
}