#include<iostream>
#include<vector>
#include<math.h>
#include<algorithm>
#include<string>
using namespace std;

typedef long long ll;


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