#include<bits/stdc++.h>
using namespace std;

int main(){
    string s;
    cin >> s;
    int l = s.size();
    
    for(int i=0; i<l; i++){
        if(s[i]=='W' || s[i]=='M' || s[i]=='T'){
            cout << "Failed..." << endl;
            return 0;
        }
    }
    cout << "Done!" << endl;
}