Good News and Bad News

The soldiers had been marching and fighting, they were dirty, hot and
tired. One day, the general announced: "My men, I have some good news
and some bad news for you. Which one would you like first?"
"The good news!" they all shouted.
"OK," said the General. "The good news is that you will each be receiving
a complete change of clothing."
"Hurrah!" chorused the soldiers.
"And now for the bad news. Jack, you will change with John. John, you
will change with Tom. Tom, you will change with Robert. Robert ....