/*Write a loop to output the elements of the list container in reverse order*/

#include<list>

#include<iostream>
int main(void)
{
    std::list<string> strs; string str;
    while (cin >> str)
        strs.push_back(str);
    for (std::list<string>::iterator it = strs.end(); it != strs.begin(); )
        cout << *--it;
    return 0;
}