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.
from math import sqrt
from sys import stdin
def input(): return stdin.readline()[:-1]
ab,bc,ca=map(int,input().split())
a=sqrt((ab*ca)//bc)
b=sqrt((ab*bc)//ca)
c=sqrt((bc*ca)//ab)
print(int(4*(a+b+c)))