	import java.io.*;
    import java.util.Scanner;
     
    public class Main {
    	public static void main (String[] args) throws IOException
    {
 		BufferedReader br 
   		= new BufferedReader(new InputStreamReader(System.in));
			String str = br.readLine();
    	
    		for(int i=str.length()-1; i >= 0; i-- ){
    			System.out.print(str.charAt(i));
    		}
    		System.out.println();
    	}
    }
      import java.io.*; io.* java import java.util.Scanner; Scanner java.util public class Main {
    	public static void main (String[] args) throws IOException
    {
 		BufferedReader br 
   		= new BufferedReader(new InputStreamReader(System.in));
			String str = br.readLine();
    	
    		for(int i=str.length()-1; i >= 0; i-- ){
    			System.out.print(str.charAt(i));
    		}
    		System.out.println();
    	}
    } Main public static void main (String[] args) throws IOException
    {
 		BufferedReader br 
   		= new BufferedReader(new InputStreamReader(System.in));
			String str = br.readLine();
    	
    		for(int i=str.length()-1; i >= 0; i-- ){
    			System.out.print(str.charAt(i));
    		}
    		System.out.println();
    	} main {
 		BufferedReader br 
   		= new BufferedReader(new InputStreamReader(System.in));
			String str = br.readLine();
    	
    		for(int i=str.length()-1; i >= 0; i-- ){
    			System.out.print(str.charAt(i));
    		}
    		System.out.println();
    	} BufferedReader br 
   		= new BufferedReader(new InputStreamReader(System.in)); br new BufferedReader(new InputStreamReader(System.in)) String str = br.readLine(); str br.readLine() br.readLine br for(int i=str.length()-1; i >= 0; i-- ){
    			System.out.print(str.charAt(i));
    		} int i=str.length()-1; int i=str.length()-1; i str.length()-1 str.length() str.length str 1 i >= 0 i 0 i-- i-- i {
    			System.out.print(str.charAt(i));
    		} {
    			System.out.print(str.charAt(i));
    		} System.out.print(str.charAt(i)) System.out.print System.out System System.out str.charAt(i) str.charAt str i System.out.println() System.out.println System.out System System.out String[] args args public class Main {
    	public static void main (String[] args) throws IOException
    {
 		BufferedReader br 
   		= new BufferedReader(new InputStreamReader(System.in));
			String str = br.readLine();
    	
    		for(int i=str.length()-1; i >= 0; i-- ){
    			System.out.print(str.charAt(i));
    		}
    		System.out.println();
    	}
    } public class Main {
    	public static void main (String[] args) throws IOException
    {
 		BufferedReader br 
   		= new BufferedReader(new InputStreamReader(System.in));
			String str = br.readLine();
    	
    		for(int i=str.length()-1; i >= 0; i-- ){
    			System.out.print(str.charAt(i));
    		}
    		System.out.println();
    	}
    } Main
	import java.io.*;
    import java.util.Scanner;
     
    public class Main {
    	public static void main (String[] args) throws IOException
    {
 		BufferedReader br 
   		= new BufferedReader(new InputStreamReader(System.in));
			String str = br.readLine();
    	
    		for(int i=str.length()-1; i >= 0; i-- ){
    			System.out.print(str.charAt(i));
    		}
    		System.out.println();
    	}
    }
     