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.
a1, a2, a3 = [int(i) for i in input().split(' ')]

c = ((a2*a3) / a1) ** 0.5
b = a2 / c
a = a1 / b

sum12 = 4 * (a + b + c)

print(int(sum12))
 	 	 		     		  	   		  			 		