### B. Racetrack

Alice and Bob play different games. When Alice plays, she always wins exactly *a* points. When Bob plays, he always wins exactly *b*points.

Today, after they finished playing, they noticed they had the same number of points. What is the smallest number this could be?

The first line contains two integers, *a* and *b*, separated by spaces, where *a* is the number of points Alice wins in one game and *b* is the number of points Bob wins in one game.

You should return the smallest possible number of points that Alice and Bob have, which should be an integer *c*.

2 3

6

4 6

12

Constraints:

1 ≤ *a* ≤ 10, 000

1 ≤ *b* ≤ 10, 000

1 ≤ *c* ≤ 100, 000, 000

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