#include<iostream>
#include<fstream>
#include<vector>
using namespace std;

vector<string> wordlist;

void load_word_list(){
	ifstream file_input;
	// If you run this example, change this to where words is for you
	file_input.open("/usr/share/dict/words");
	string nextword;
	wordlist.reserve(200000);
	while(!file_input.eof()){
		file_input >> nextword;
		wordlist.push_back(nextword);
	}
	cout << "Size of wordlist:  " << sizeof(wordlist) << endl;
	cout << "Loaded " << wordlist.size() << " words\n";
	cout << "Samples:  " << wordlist[0] << " " << wordlist[1] << " " << wordlist[2] << endl;
}

// This'll work if we have wordlist and wordcount
bool in_dictionary(string query){
	// for each word in wordlist;
	// 	if that word is the same as the word in query
	// 		return true
	// return false
	for(string& cw : wordlist)
		if(cw == query)
			return true;
	return false;
}

int main(){
	load_word_list();
	string query;
	cin >> query;
	while(query.length()){
		if(in_dictionary(query))
			cout << "It's in the dictionary\n";
		else
			cout << "It's not in the dictionary\n";
		cin >> query;
	}
	return 0;
}