//
// String Reverse By Letters
//

public class reverseByLetters {

  public static String toString(String source) {
    int i, len = source.length();
    StringBuffer dest = new StringBuffer(len);

    for (i = (len-1); i >=0; i--) {
      dest.append(source.charAt(i));
    }
    return dest.toString();
  }
}