#include <iostream>
using namespace std;

int f(int x){
	cout << " Entering f with " << x << endl;
	
	if (x == 1){
	   cout << " x was 1 returning 1 " << endl;
	   return 1;
	}
	
   int y = x * f(x-1);
   cout << " Leaving f returning " << y << endl;
   return y;
}


void main(){
  cout << f(5) << endl;
}