#include <iostream>
using namespace std;
int main()
{
	int n1, x1;char ch1 ;
	 n1 =0; 
	// using goto 
	 here:
	 cout << "please enter a value more than zero : ";
	 cin>> n1 ; 
	 x1 =12;
	if((n1!=0)&& (x1/n1 > 2))
	{
		cout <<"\n (x1/n1 > 2 will not be processed when n1 == 0";
		cout << "\n the result of  x1/n1  is : " << x1/n1; 
	}
	else
	{
		cout<< "System set default as x1 " << x1; 
	}
	cout<< "\n like to another round ? y or n : "; 
	cin>> ch1; 
	if((ch1!= 'n')&&(ch1=='y') ){ goto here; }
	else
	{
		exit(1); 
	}
	return 0;
}