A programmer and an engineer are sitting next to each other on a long flight from Los Angeles to New York.

The programmer leans over to the engineer and asks if he would like to play a fun game.

The engineer just wants to take a nap, so he politely declines and rolls over to the window to catch a few winks.

The programmer persists and explains that the game is real easy and is a lot of fun. He explains "I ask you a question, and if you don't know the answer, you pay me $5. Then you ask me a question, and if I don't know the answer, I'll pay you $5."

Again, the engineer politely declines and tries to get to sleep.

The programmer, now somewhat agitated, says, "OK, if you don't know the answer you pay me $5, and if I don't know the answer, I'll pay you $100!"

This catches the engineer's attention, and he sees no end to this torment unless he plays, so he agrees to the game.

The programmer asks the first question. "What's the distance from the