/* package whatever; // don't place package name! */
import java.util.*;
import java.lang.*;
import java.io.*;
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
{
Scanner s
=new Scanner
(System.
in); int N=s.nextInt();
boolean ans=solve(str,0,str.length()-1);
}
public static boolean solve
(String str,
int start,
int end
){
if(start>=end){
return true;
}
return (str.charAt(start)==str.charAt(end)&&solve(str,start+1,end-1));
}
}
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