#include<iostream>
using namespace std;

void area1();
void area2();
void divider();
int hammer = 0; // 0 means not picked up

int main(){
   area1();  // starting point
   cout <<"Good bye!\n";
}

void area1(){
   int choice;
   do{
        divider();
	cout <<"You are in a room.\n";
   	if(hammer == 0){
           cout <<"There is a hammer.\n";
   	}
        cout <<"There is a door.\n";
        if(hammer == 0){
      	    cout <<"1) Pick up hammer.\n";
   	}
        cout <<"2) Go through the door.\n";
        cin >> choice;
   	if(choice == 2){
     	   area2();
   	}
   	if(choice == 1){
           cout << "Picked up the hammer.\n";
           hammer = 1;
   	}
   }while(1);	// loops forever - until the player leaves the room
}

void area2(){
   int choice;
   do{
	divider();        
	cout << "Area 2\n";
   	cout << "There's loose nail.\n";
   	cout << "1) Hammer the nail.\n";
   	cout << "2) Goto room 1.\n";
   	cin >> choice;
   	if(choice == 1 && hammer == 1){
      		cout << "You've hammered the nail\n";
   	}
	if(choice == 1 && hammer == 0){
		cout << "You need a hammer to do that.\n";
	}
	if(choice == 2){
		area1();
	}
   }while(1); // loops forever - until the player leaves the room
}

void divider(){
// this function just separates the room text a bit
	cout << "\n\n";  // a couple of blank lines
	cout << "------------------------\n\n";
}