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In geometry, a cuboid is a convex polyhedron bounded by six quadrilateral faces, whose polyhedral graph is the same as that of a cube. While mathematical literature refers to any such polyhedron as a cuboid, other sources use "cuboid" to refer to a shape of this type in which each of the faces is a rectangle (and so each pair of adjacent faces meets in a right angle); this more restrictive type of cuboid is also known as a rectangular cuboid, right cuboid, rectangular box, rectangular hexahedron, right rectangular prism, or rectangular parallelepiped.
(From wikipedia)
There is a cuboid with length of three sides are $a, b$ and $c$ respectively.
Output the volumn of the cuboid.
$（1≤a,b,c≤10）$
### Input:

There is one line of three integer $a, b, c$ seperated by blanks.


### Output:
Output the answer

### Sample Input:

in
1 2 3


### Sample Output:

out
6







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