#include <iostream>
using namespace std;
int main(){ int h= 0,m = 0; cin >> h; cin >> m;
if(h<7||(h=7&&m<30)||h>=17) { cout << "Off School";
} else { cout <<"At School"; } return 0;
}
#include
if(h<7||(h==7&&m<30)||h>=17)
判別式:當相等時一定要用雙等號