ti jie

#include <iostream>
using namespace std;

int main()
{
int month, day;
cin >> month >> day;

switch (month) {
    case 1: case 3: case 5: case 7: case 8: case 10: case 12:
        switch (day % 2) 
        {
            case 0:
                cout << "Oh!No!" << endl;
                break;
            case 1:
                cout << "Play!" << endl;
                break;
        }
        break;
    case 4: case 6: case 9: case 11:
        switch (day % 2) {
            case 0:
                cout << "Play!" << endl;
                break;
            case 1:
                cout << "Oh!No!" << endl;
                break;
        }
        break;
    case 2:
        switch (day % 2) {
            case 0:
                cout << "Play!" << endl;
                break;
            case 1:
                cout << "Oh!No!" << endl;
                break;
        }
        break;
}

return 0;

}