#include <bits/stdc++.h>
using namespace std;
#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define REP(i,n) FOR(i,0,n)
#define ALL(v) begin(v),end(v)
#define fi first
#define se second
template<typename A, typename B> inline bool chmax(A &a, B b) { if (a<b) { a=b; return 1; } return 0; }
template<typename A, typename B> inline bool chmin(A &a, B b) { if (a>b) { a=b; return 1; } return 0; }
using ll = long long;
using pii = pair<int, int>;
constexpr ll INF = 1ll<<30;
constexpr ll longINF = 1ll<<60;
constexpr ll MOD = 1000000007;
constexpr bool debug = 0;
//---------------------------------//

int main() {
	string S;
	cin >> S;
	
	bool ans = true;
	REP(i, S.size()) {
		string T = S.substr(i, 2);
		
		string tmp[] = {"WA", "TLE", "MLE"};
		
		REP(j, 3) if (T == tmp[j]) ans = false;
		T = S.substr(i, 3);
		REP(j, 3) if (T == tmp[j]) ans = false;
	}
	
	puts(ans ? "Done!" : "Failed...");
	
	return 0;
}