My code

public static void main(String[] args) { /* Enter your code here. Read input from STDIN. Print output to STDOUT. Your class should be named Solution. */

    Scanner input = new Scanner(System.in);
    String s = input.nextLine();

    String a = "";
    String b = "";
    for(int i=0; i<s.length(); i++){
        a = a+s.charAt(i);  
    }

    for(int j = s.length()-1; j>=0; j--){
        b= b+s.charAt(j);
    }

    if(a.equals(b)){
        System.out.println("Yes");
    }else{
        System.out.println("No");
    }    
}