import java.util.Scanner;
 
 
class Main {
 
	public static void main (String[] args) throws java.lang.Exception {
 
		Scanner scanner = new Scanner(System.in);
        String s = scanner.nextLine();
        System.out.print(isPalindrome(s) ? "Yes" : "No");
 
	}
 
	public static boolean isPalindrome(String text) {
		text = text.replaceAll(" ","");
		return text.equals(new StringBuilder(text)
               .reverse().toString());
               }
}

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YSByb3phIHVwYWxhIG5hIGxhcHUgYXpvcmE=

a roza upala na lapu azora