import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.lang.Exception;
import java.lang.System;

public class Main {
    public static void main(String[] a) throws Exception {
        BufferedReader r = new BufferedReader(new InputStreamReader(System.in));
        String s;

        while((s = r.readLine()) != null) {
            for(int i = s.length() - 1; i >= 0; i--) {
                System.out.print(s.charAt(i));
            }
            System.out.print("\n");
        }
    }
}
/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