>>187

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

int main()
{
std::vector< std::string > str_list;
for( int i=0; i<5; i++ )
{
std::string tmp;
std::cin >> tmp;
str_list.push_back( tmp );
}
std::sort( str_list.begin(), str_list.end() );
std::ofstream fout("sage.doc");
for( int i=0; i<5; i++ )
{
fout << str_list[i] << '\n';
}
return 0;
}