What is the output of the following C++ program?#include using namespace std; void f() { try { throw 1; } catch (int) { cout

What is the output of the following C++ program?

#include <iostream>
using namespace std;
void f() {
    try { throw 1; }
    catch (int) { cout << "A"; throw; }
}
int main() {
    try { f(); }
    catch (int x) { cout << "B" << x; }
    cout << "C";
}