
import java.io.*;
import java.util.*;

public class Main { //REMEMBER TO USE MAIN//
	public static void main(String[] args) throws Exception{
		BufferedReader in = new BufferedReader( new InputStreamReader(System.in));//
		String line;
		while((line=in.readLine())!=null){//
			String s = "";
			for (int i=line.length()-1;i>-1;i--){
				s+= line.charAt(i);
			}
			System.out.println(s);
			////Some code
		}//while#1
	}//static main
}//class
/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz