Give to God

There were three men sitting on a bench waiting for a bus. They started talking about how they decided how much of their extra money (money left over after their expenses were paid) they gave to God. The first man said, “Well I throw my money in the air and what lands on my right side I give to God, what lands on my left side I keep for myself.”
The second man said, “I throw my money in the air and what lands heads I give to God and what lands tails I keep for myself.”
They asked the third man what he did and he said……..