import java.util.Scanner;

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

public class Main {
	public static void main(String args[]){
		Scanner sc = new Scanner(System.in);
		String str = sc.next();
		char a[] = new char[str.length()];
		for(int i = 0; i < str.length(); i++){
			a[i] = str.charAt(i);
		}
		for(int i = str.length() - 1; i >= 0; i--){
			System.out.print(a[i]);
		}
		System.out.println();
	}
}