#include <iostream>
using namespace std;
int main()
{
    cout << "2" << endl;
    return 0;
}
        | 1 2 3 4 5 6 7 8 9 | #include <iostream> using namespace std; int main() { cout << "2" << endl; return 0; } | 
#include <iostream>
using namespace std;
int main()
{
    cout << "2" << endl;
    return 0;
}
        | 1 2 3 4 5 6 7 8 9 | #include <iostream> using namespace std; int main() { cout << "2" << endl; return 0; } |