#include <iostream>
 
void shop()
{
     std::cout << "I'm in shop now\n";
}
 
void again()
{
    std::cout << "Again() is running...\n";
    shop();
    std::cout << "Returned to again() after shopping\n";
    //again(); commented to make program terminate normally 
}
 
void game()
{
    std::cout << "game() is running...\n";
    shop();
    std::cout << "Returned to game() after shopping\n";
    again();
}
 
int main()
{
    std::cout << "program started\n";
    game();
    std::cout << "exiting...\n";
}

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