#include <iostream>
#include <fstream>
#include <string>
#include <vector>
#include <algorithm>
using namespace std;
//namespace std {
//	string UserName;
//	string PassWord;
//}
//void DeleteInfo() {
//	ofstream DelInfo;
//	DelInfo.open("Myfile.txt");
//	DelInfo.clear();
//	DelInfo.close();
//	cout << "All of your info was removed from file ! " << endl;
//}
//bool ChechkFile() {
//	ifstream File("Myfile.txt");
//	if (File) {
//		return true;
//	}
//	return false;
//}
//
//void LogIn(string EnteredUser, string EnteredPass) {
//
//	cout << "Enter your Registered UserName " << endl;
//	cin >> EnteredUser;
//	cout << "Enter your Password " << endl;
//	cin >> EnteredPass;
//	ifstream CheckAcc;
//	CheckAcc.open("Myfile.txt");
//	CheckAcc >> UserName;
//	cout << "User from login func : " << UserName << endl;
//	CheckAcc >> PassWord;
//	cout << "Pass from login func : " << PassWord << endl;
//
//	//check user and password
//
//	if (EnteredUser == UserName && EnteredPass == EnteredPass) {
//		cout << "Log in is Succsesfull " << endl;
//		cout << "Do you want to remove all your info ? " << endl;
//		cout << "1 / 0 " << endl;
//		bool choose;
//		cin >> choose;
//		if (choose) {
//
//			cout << "Are you Sure ? " << endl;
//			cout << "1 / 0 " << endl;
//			bool SureChoose;
//			cin >> SureChoose;
//			if (SureChoose)
//				DeleteInfo();
//		}
//		else LogIn(UserName, PassWord);
//	}
//	else
//		cout << "Incorrect User or Password" << endl;
//}
//
//void CloseFile() {
//
//	ifstream CloseFile;
//	CloseFile.close();
//}
//
//void ChooseAction() {
//
//	cout << "Do you want to LogIn ? " << endl;
//	cout << "1 / 0" << endl;
//	bool Action = false;
//	cin >> Action;
//	if (Action)
//
//		LogIn(UserName, PassWord);
//
//	else CloseFile();
//}
//
//void RegisterForm(string User, string Pass) {
//
//	if (ChechkFile()) {
//
//		ofstream File;
//		File.open("Myfile.txt");
//		//registracia
//
//		cout << "Enter UserName" << endl;
//		cin >> UserName;
//		File << UserName << endl;
//		cout << "Enter PassWord" << endl;
//		cin >> PassWord;
//		File << PassWord;
//		File.close();
//	}
//	else {
//		cout << "Creating Account ..." << endl;
//		ofstream CreateAcc;
//		CreateAcc.open("Myfile.txt");
//	}
//
//}

class test {

};
int main() {

	vector<string> vs;


	for (size_t i = 0; i < 3; i++)
	{
		string s ;
		cin >> s;
		vs.push_back(s);
	}
	for (auto item : vs)
		cout << item << endl;
	sort(vs.begin(), vs.end());
	for (auto item : vs)
		cout << item << endl;



	//RegisterForm(UserName, PassWord);
	//ChooseAction();
	system("pause");

	return 0;

}