#include<iostream>
#include<string>
using namespace std;
main()
{
	string s;
	int i;
	while(cin>>s)
	{
		for(i=s.size()-1;i>=0;i--)
		cout<<s[i];
		cout<<endl;
	}
}

#include <iostream>
#include <sstream>
#include <string>
#include <algorithm>
//也可以用include<bits/stdc++.h>
using namespace std;

int main() 
{
    string s;
    
    getline(cin, s);
    
    istringstream iss(s);
    string word;
    
    while (iss >> word) 
    {
        reverse(word.begin(), word.end());
        cout << word << endl;
    }
    
    return 0;
}

加油