#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
 
using namespace std;
 
int main() {
	for (int i=0;i <4;i++)
	{
		string word;
		string rword = "";
		cin >> word;
 
		vector<string> wrd;
		for (int i = 0; i < word.length(); i++)
		{
			wrd.push_back(word.substr(i, 1));
		}
		reverse(word.begin(), word.end());
 
		for (int i = 0; i < word.size(); i++)
		{
			rword += word[i];
		}
		cout << rword <<endl;
	}
	return 0;
}

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