# Three numbers

There are three numbers on the board ($$a, b, c$$).

Step: Delete one of the numbers. If $$N$$ equals to the sum of the two other numbers, then write down $$N-1$$.

You can repeat the step above any number of times. Imagine that sometime there are three numbers on the board: $$17,1983,1999$$.

Which of the following sentences is/are true?

A: It is possible, that the original three numbers are $$(a,b,c)=(2,2,2).$$

B: It is possible, that the original three numbers are $$(a,b,c)=(3,3,3).$$

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