#include <iostream>
using namespace std;

int add(int a, int b) {
    return a + b;
}

int multiply(int a, int b) {
    return a * b;
}

int main() {
    int (*p)(int, int);
    p = add;
    cout << p(2, 3) << ",";
    p = multiply;
    cout << p(2, 3);
    return 0;
}