class JavaApplication25 {

    public static char[] REGISTER = "AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZz \n".toCharArray();

    public static void main(String[] args) {
        System.out.print(getLetter(8, false));
        System.out.print(getLetter(5, true));
        System.out.print(getLetter(12, true));
        System.out.print(getLetter(12, true));
        System.out.print(getLetter(15, true));
        System.out.print(getLetter(27, false));
        System.out.print(getLetter(23, false));
        System.out.print(getLetter(15, true));
        System.out.print(getLetter(18, true));
        System.out.print(getLetter(12, true));
        System.out.print(getLetter(4, true));
        System.out.print(getLetter(27, true));
    }

    public static char getLetter(int index, boolean lowercase) {
        index--;
        index = index * 2;
        if (lowercase) {
            index++;
        }
        return REGISTER[index];
    }
}