import java.io.*;


public class Main {
	
	
    public static void main(String[] args) {
       
    	try {
            BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
         
          
            String str;
           
            
            while((str = br.readLine()) != null)
            {
            	for(int i = str.length()-1; i>=0; i--)
            	{
            	System.out.print(str.charAt(i));
            	}
            	System.out.println();
            }
    	}catch (Exception e) {
            e.printStackTrace();
        }
       
    }
    
   
}
/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