#include <iostream>
#include <string>
#include <algorithm>
using namespace std;
int main() {
    string c = "a";
    string word;
    for (;;) {
        c = getc(stdin);
        if (c[0] == EOF) {
            reverse(word.begin(), word.end());
            cout << word;
            break;
        }
        if (((c[0] >= 'a') && (c[0] <= 'z')) || ((c[0] >= 'A') && (c[0] <= 'Z'))) {
                word.append(c);
        }
        else {
            reverse(word.begin(), word.end());
            cout << word << c;
            word.clear();
        }
    }
}