#include <iostream>
using namespace std;
void func(int a, int *b, int &c) {
    a = 10;
    *b = 20;
    c = 30;
}
int main() {
    int x = 1, y = 2, z = 3;
    func(x, &y, z);
    cout << x << "," << y << "," << z << endl;
    return 0;
}