#include <iostream>
using namespace std;

bool f() {

    cout << "f";
    return true;
}

bool g() {

    cout << "g";
    return true;
}

int main() {


    if(f(),g())
    {
        cout<<"OK with ,";
    }

    cout<<endl;

    if(f()||g())
    {

        cout<<"OK with ||";
    }

    return 0;
}