#include <bits/stdc++.h>
#define rep(i,n) for(int i=0;i<n;i++)
using namespace std;
using ll =  long long ;
using P = pair<int,int> ;
const int INF = 1e9;
const int MOD = 1000000007;

int main(){
    string s;
    cin >> s;
    int n = s.size();
    bool ok = true;
    rep(i,n-2){
        if(s[i] == 'T' && s[i+1] == 'L' && s[i+2] =='E') ok = false;
        if(s[i] == 'M' && s[i+1] == 'L' && s[i+2] =='E') ok = false;
    }
    rep(i,n-1){
        if(s[i] =='W' && s[i+1] =='A') ok = false;
    }
    cout << (ok ? "Done!" : "Failed...") << endl;
    return 0;
}