#include <iostream>
using namespace std;
int main()
{
cout<<"2";
return 0;
}
//找规律可以发现真的都是2

#include <iostream>
using namespace std;
int main()
{
cout<<"2"<<endl;

}

#include <iostream>
using namespace std;
int main()
{
cout<<"2"<<endl;
return 0;
}

#include <iostream>
using namespace std;
int main()
{
cout<<"2"<<endl;

}