import java.util.Scanner; |
import java.util.Arrays; |
public class Main { |
public static void main(String[] args) { |
Scanner scan = new Scanner(System.in); |
|
String r = scan.next(); |
int i , j; |
System.out.println(r.length()); //输出字符串的长度 |
for (i = 0 , j = r.length()- 1 ; i <= j ; i++,j--) |
{ |
if (r.charAt(i) != r.charAt(j)) |
{ |
System.out.print( "N" ); |
return ; |
} |
} |
System.out.print( "Y" ); |
} |
} |