import java.util.*; |
public class Main { |
public static void main(String[] args) |
{ |
Scanner scan = new Scanner(System.in); |
String n = scan.next(); |
for ( int i = 0 ,j = n.length() - 1 ; i <= j; i++, j--) |
{ |
if (n.charAt(i) != n.charAt(j)) |
{ |
System.out.println( "No" ); |
return ; |
} |
} |
System.out.println( "Yes" ); |
} |
} |