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