How Do You Get To Heaven?

"If I sold my house and my car, had a big garage sale, and gave all my money to the church, would that get me into heaven?" I asked the children in my Sunday school class.
"NO!" the children all answered.
"If I cleaned the church every day, mowed the yard, and kept everything neat and tidy, would that get me into heaven?"
Again the answer was, "NO!""Well, then, if I was kind to animals and gave candy to all the children and loved my wife, would that get me into heaven?" I asked them again.
Once more they all answered, "NO!"
"Well," I continued, thinking they were a good bit more theologically sophisticated than I had given them credit for, "then how can I get into heaven?"
A five-year-old boy shouted out, "You gotta be dead!"