Paddy Englishman, Paddy Irishman and Paddy Scotsman all went to a hotel.
'There's only one room left, and its on the top floor which is 90 floors up but the lift is broken so you'll have to take the stairs' said the secretary. They took the room and went up the stairs.
When they got to the 30th floor Paddy Englishman told a really sad story! A little while later when they got to the 60th floor Paddy Scotsman told an even sadder story! And finally, when they reached the top floor, Paddy Irishman told the saddest story ever!... 'I've left the keys on the front counter...'