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

public class Main {

	public static void main(String[] args) throws IOException {
		
		InputStreamReader isr = new InputStreamReader(System.in);
		BufferedReader br = new BufferedReader(isr);
		
		String buf = br.readLine();
		StringBuffer sb = new StringBuffer(buf);
		System.out.println(sb.reverse());
	}
} 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 {
		
		InputStreamReader isr = new InputStreamReader(System.in);
		BufferedReader br = new BufferedReader(isr);
		
		String buf = br.readLine();
		StringBuffer sb = new StringBuffer(buf);
		System.out.println(sb.reverse());
	}
} Main public static void main(String[] args) throws IOException {
		
		InputStreamReader isr = new InputStreamReader(System.in);
		BufferedReader br = new BufferedReader(isr);
		
		String buf = br.readLine();
		StringBuffer sb = new StringBuffer(buf);
		System.out.println(sb.reverse());
	} main {
		
		InputStreamReader isr = new InputStreamReader(System.in);
		BufferedReader br = new BufferedReader(isr);
		
		String buf = br.readLine();
		StringBuffer sb = new StringBuffer(buf);
		System.out.println(sb.reverse());
	} InputStreamReader isr = new InputStreamReader(System.in); isr new InputStreamReader(System.in) BufferedReader br = new BufferedReader(isr); br new BufferedReader(isr) String buf = br.readLine(); buf br.readLine() br.readLine br StringBuffer sb = new StringBuffer(buf); sb new StringBuffer(buf) System.out.println(sb.reverse()) System.out.println System.out System System.out sb.reverse() sb.reverse sb String[] args args public class Main {

	public static void main(String[] args) throws IOException {
		
		InputStreamReader isr = new InputStreamReader(System.in);
		BufferedReader br = new BufferedReader(isr);
		
		String buf = br.readLine();
		StringBuffer sb = new StringBuffer(buf);
		System.out.println(sb.reverse());
	}
} public class Main {

	public static void main(String[] args) throws IOException {
		
		InputStreamReader isr = new InputStreamReader(System.in);
		BufferedReader br = new BufferedReader(isr);
		
		String buf = br.readLine();
		StringBuffer sb = new StringBuffer(buf);
		System.out.println(sb.reverse());
	}
} Main
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main {

	public static void main(String[] args) throws IOException {
		
		InputStreamReader isr = new InputStreamReader(System.in);
		BufferedReader br = new BufferedReader(isr);
		
		String buf = br.readLine();
		StringBuffer sb = new StringBuffer(buf);
		System.out.println(sb.reverse());
	}
}