import java.util.Scanner;
import java.util.Date;


class Main{
    public static void main(String[] args){
	Scanner sc = new Scanner(System.in);

	String str=sc.next();

	for(int i=str.length()-1;i>=0;i--){
	    System.out.print(str.charAt(i));
	}
	System.out.println();
    }
} import java.util.Scanner; Scanner java.util import java.util.Date; Date java.util class Main{
    public static void main(String[] args){
	Scanner sc = new Scanner(System.in);

	String str=sc.next();

	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){
	Scanner sc = new Scanner(System.in);

	String str=sc.next();

	for(int i=str.length()-1;i>=0;i--){
	    System.out.print(str.charAt(i));
	}
	System.out.println();
    } main {
	Scanner sc = new Scanner(System.in);

	String str=sc.next();

	for(int i=str.length()-1;i>=0;i--){
	    System.out.print(str.charAt(i));
	}
	System.out.println();
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String str=sc.next(); str sc.next() sc.next sc 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
import java.util.Scanner;
import java.util.Date;


class Main{
    public static void main(String[] args){
	Scanner sc = new Scanner(System.in);

	String str=sc.next();

	for(int i=str.length()-1;i>=0;i--){
	    System.out.print(str.charAt(i));
	}
	System.out.println();
    }
}