#include <iostream>
#include <fstream>
#include <sstream>
#include <vector>
#include <algorithm>


using namespace std;

void load(vector<string>& o, ifstream& in) {
	string line;
	while (getline(in, line))
	{
		o.push_back(line);
	}

}

bool compareSize(string l, string r) {
	return l.length() < r.length();
}

int main() {
	ifstream in("osobe.txt");
	vector<string> o;
	load(o, in);

	in.close();

	sort(o.begin(), o.end(), compareSize);

	for (size_t i = 0; i < o.size(); i++)
	{
		cout << o[i] << endl;
	}

	return 0;
}