What will be the output of the following code?

const grade = 'A';
let message = '';
switch (grade) {
  case 'A':
    message = 'Excellent!';
  case 'B':
    message = 'Good!';
    break;
  case 'C':
    message = 'Average!';
    break;
  default:
    message = 'Fail!';
}
console.log(message);