12.18

include

include

using namespace std;

int main() {
int N, M;
cin >> N >> M;
cin.ignore();
string problems[30];
for (int i = 0; i < N; ++i) {
getline(cin, problems[i]);
}

int done = 0;
int current = M;
for (int i = 0; i < N; ++i) {
    if (problems[i].find("qiandao") != string::npos || problems[i].find("easy") != string::npos) {
        continue;
    }
    if (done == M) {
        cout << problems[i] << endl;
        return 0;
    }
    done++;
}
cout << "Wo AK le" << endl;
return 0;

}