#include <iostream>
#include <string>
#include <queue>    // for priority-queue
using namespace std;

int main()
{

    priority_queue<string, vector<string>, greater<string> >pq;
    string word;

    while (cin >> word) {
	pq.push(word);
    }
    int wordsRead = pq.size();
    
    while (! pq.empty()) {
	word = pq.top();
	cout << word << endl;
	pq.pop();
    }
    cout << "read " << wordsRead << " words" << endl;
}