#include <iostream>
#include <stdexcept>

using namespace std;

void foo() {
    overflow_error oops("We overflowed, honest!");
    throw oops;
}

// logic_error is-a exception
// runtime_error is-a exception

int main() {
    try {
	foo();
    }
    catch (const logic_error &e) {
	cout << "Caught a a logic_error: " << e.what() << '\n';
    }
    catch (const runtime_error &e) {
	cout << "Caught an runtime_error: " << e.what() << '\n';
    }
    catch (const exception &e) {
	cout << "Caught an exception: " << e.what() << '\n';
    }

    return 0;
}