/* 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
{
 
public static Boolean isPalindrome(String str) {    
    int n = str.length();
    for( int i = 0; i < n/2; i++ ) {
        if (str.charAt(i) != str.charAt(n-i-1)) return false;
    }
    return true;    
}
 
public static boolean isPalindrome1(String str) {
    return str.equalsIgnoreCase(new StringBuilder(str).reverse().toString());
}
 
 
	public static void main (String[] args) throws java.lang.Exception
	{
 
	System.out.println(isPalindrome("sara"));
 	System.out.println(isPalindrome("ana"));
 
 	System.out.println(isPalindrome1("sara"));
 	System.out.println(isPalindrome1("Ana"));
	}
}

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