Numbered Jokes

A guy gets a job in a large office building...

A guy gets a job in a large office building. When he is walked down to the bullpen with all the cubicles, he notices all the people there are yelling out numbers, then laughing. He hears "Number 42!" followed by a round of laughter, then "Number 15!" and more laughter. After an hour or so, he goes to someone else and asks, "What's up with all the numbers?" The other guy says, "Oh, we've told so many jokes over the years that we just gave them all numbers so we didn't have to keep repeating them." He says, "Oh, that's cool." About an hour later, the guy tries telling a joke. He yells, "Number 47!" There is no laughter. Then he yells, "Number 14!" Nobody laughs. A guy in another cubicle leans over and says, "Man, some people just don't know how to tell a joke."