#include <iostream>
using namespace std;
int main()
{
int iHour,iTime;
while(cin>>iHour>>iTime){
if(iHour == 7 && iTime >=30)
cout <<"At School" <<endl;
else if(iHour>=8 && iHour<17)
cout <<"At School" <<endl;
else if(iHour==17 && iTime==0)
cout <<"At School" <<endl;
else
cout<<"Off School"<<endl;
}
return 0;
}