include

using namespace std;

int main(){
int n;
while(cin >> n) {
switch(n) {
case 200:
cout << "OK" << endl;
break;

        case 202:
        cout << "Accepted" << endl;
        break;

        case 400:
        cout << "Bad Request" << endl;
        break;

        case 403:
        cout << "Forbidden" << endl;
        break;

        case 404:
        cout << "Not Found" << endl;
        break;

        case 500:
        cout << "Internal Server Error" << endl;
        break;

        case 502:
        cout << "Bad Gateway" << endl;
        break;
    }
}

return 0;

}