class Caratteri {
  public static void main(String args[]) {
    System.out.println('a');
    System.out.println('a'+'b');
    System.out.println("a"+"b");
    char c = 98;
    System.out.println(c);
    System.out.println(c + 1);
    System.out.println('d'/4);
    System.out.println('d' + "anni");
    System.out.println(100 + "anni");
    System.out.println(1 + 'd' + " anni");
    System.out.println(1 + ('d' + "anni"));
  }
}