implement main0 () = print"Hello World!\n"https://paperswithcode.com/method/faqs-24-7help-how-to-cancel-royal-caribbean
https://paperswithcode.com/method/faqs-24-7help-how-to-cancel-royal-caribbean
https://paperswithcode.com/method/faqs-24-7help-how-to-cancel-royal-caribbean
https://paperswithcode.com/method/faqs-24-7help-how-to-cancel-royal-caribbean
https://paperswithcode.com/method/faqs-24-7help-how-to-cancel-royal-caribbean
https://paperswithcode.com/method/faqs-24-7help-how-to-cancel-royal-caribbean
https://paperswithcode.com/method/faqs-24-7help-how-to-cancel-royal-caribbean
https://paperswithcode.com/method/faqs-24-7help-how-to-cancel-royal-caribbean
https://paperswithcode.com/method/faqs-24-7help-how-to-cancel-royal-caribbean
https://paperswithcode.com/method/faqs-24-7help-how-to-cancel-royal-caribbean
https://paperswithcode.com/method/faqs-24-7help-how-to-cancel-royal-caribbean
https://paperswithcode.com/method/faqs-24-7help-how-to-cancel-royal-caribbean
https://paperswithcode.com/method/faqs-24-7help-how-to-cancel-royal-caribbean
https://paperswithcode.com/method/faqs-24-7help-how-to-cancel-royal-caribbean