#include <iostream>
#include <iostream>
using namespace std;
class ServerResponseException
{
public:
 std::string msg;
 ServerResponseException(std::string str)
 {
 string prefix = "Fetch ServerResponseException: ";
 prefix.append(str);
 msg = prefix + "\n";
 }
};
/*


int main() 
{
 int a = 1;
 if (a > 0) {
 try {
 cout << "a" << endl;
 throw ServerResponseException("a is > 0");
 } catch (ServerResponseException &e) {
 cout << " some thing error " << e.msg;
 }
 }
}
*/