// editor1
#include<iostream>
#include<string>
#include<sstream>
#include<algorithm>
#include<vector>
using namespace int;
int main()
{
    string s,word;
    if(!getline(cin,s)) return 0;
    stringstream ss(s);
    vector<string>v;
    while(ss>>word)
    {
        reverse(word.begin(),word.end());
        v.push_back(word);
    }
    for(int i=0;i<v.size;i++)
    {
        cout<<v[i]<<(i==v.size()-1?"":"");
    }
    return 0;
}