#include <bits/stdc++.h>

using namespace std;

int main() {
    string s;
    cin >> s;

    if (s.find("AC") == string::npos) {
        cout << "Failed..." << endl;
        return 0;
    }

    if (s.find("WA") != string::npos or
        s.find("TLE") != string::npos or
        s.find("MLE") != string::npos) {
        cout << "Failed..." << endl;
        return 0;
    }

    cout << "Done!" << endl;
    return 0;
}