import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main {

	public static void main(String[] args) throws IOException {

		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		char[] input = new char[20];
		br.read(input);

		for (int i = input.length; i > 0; i--) {
			System.out.print(input[i - 1]);
		}
		System.out.println();

	}
} import java.io.BufferedReader; BufferedReader java.io import java.io.IOException; IOException java.io import java.io.InputStreamReader; InputStreamReader java.io public class Main {

	public static void main(String[] args) throws IOException {

		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		char[] input = new char[20];
		br.read(input);

		for (int i = input.length; i > 0; i--) {
			System.out.print(input[i - 1]);
		}
		System.out.println();

	}
} Main public static void main(String[] args) throws IOException {

		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		char[] input = new char[20];
		br.read(input);

		for (int i = input.length; i > 0; i--) {
			System.out.print(input[i - 1]);
		}
		System.out.println();

	} main {

		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		char[] input = new char[20];
		br.read(input);

		for (int i = input.length; i > 0; i--) {
			System.out.print(input[i - 1]);
		}
		System.out.println();

	} BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); br new BufferedReader(new InputStreamReader(System.in)) char[] input = new char[20]; input new char[20] 20 br.read(input) br.read br input for (int i = input.length; i > 0; i--) {
			System.out.print(input[i - 1]);
		} int i = input.length; int i = input.length; i input.length input input.length i > 0 i 0 i-- i-- i {
			System.out.print(input[i - 1]);
		} {
			System.out.print(input[i - 1]);
		} System.out.print(input[i - 1]) System.out.print System.out System System.out input[i - 1] input i - 1 i 1 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));
		char[] input = new char[20];
		br.read(input);

		for (int i = input.length; i > 0; i--) {
			System.out.print(input[i - 1]);
		}
		System.out.println();

	}
} public class Main {

	public static void main(String[] args) throws IOException {

		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		char[] input = new char[20];
		br.read(input);

		for (int i = input.length; i > 0; i--) {
			System.out.print(input[i - 1]);
		}
		System.out.println();

	}
} Main
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main {

	public static void main(String[] args) throws IOException {

		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		char[] input = new char[20];
		br.read(input);

		for (int i = input.length; i > 0; i--) {
			System.out.print(input[i - 1]);
		}
		System.out.println();

	}
}