You've got a rectangular parallelepiped with integer edge lengths. You know the areas of its three faces that have a common vertex. Your task is to find the sum of lengths of all 12 edges of this parallelepiped.
The first and the single line contains three space-separated integers — the areas of the parallelepiped's faces. The area's values are positive ( &gt; 0) and do not exceed 10<sup class="upper-index">4</sup>. It is guaranteed that there exists at least one parallelepiped that satisfies the problem statement.
a = [int(x) for x in input().split()]

import math
val = math.sqrt(a[0]*a[1]*a[2])

ans = 4*((val/a[0]) + (val/a[1]) + (val/a[2]))

print(int(ans))