Thread: How to go to a previous line

So here's what I've made so far:

Code:

#include <iostream>

using namespace std;
int main()

{
    int wheretogo;
    int psactivity;
    int pcactivity;
    
    cout<<"You are in a house with a PC and PlayStation 3 with two games. What do you do?\n\n";
    cout<<"\nGo to the PlayStation 3 (1)\n\n";
    cout<<"\nGo to the PC (2)\n\n";
    cin>>wheretogo;
    cin.ignore();
    if (wheretogo == 1 ) {
                  cout<<"\nYou go to the PlayStation and boot it up.\n\n";
                  cout<<"\nCheck the PlayStation Store (1)\n\n";
                  cout<<"\nCheck the available games(2)\n\n";
                  cin>>psactivity;
                  cin.ignore();
                  }
    if (wheretogo == 2 ) {
                  cout<<"\nYou go to the PC and boot it up.\n\n";
                  cout<<"\nGo on the internet (1)\n\n";
                  cout<<"\nPlay Portal (2)\n\n";
                  cin>>pcactivity;
                  cin.ignore();
                  }
                  
}

Just some random text "game" I made. Here's the problem: I want an option to go back. Let's say the user chose go the playstation and use the playstation store or something, how can I include the option to go back and use the PC instead after he chose to go to the playstation?