Gamora is fond of mathematics. While playing with triangles, she encounters a problem.

Given N = 20, find the maximum possible area of the triangele such that :

1. Each side is a Prime number less than or equal to N.

2.  All the sides are distinct.

Output an integer 16 times of square of maximum area of the triangle. 

NOTE You do not need to create a program for this problem you have to write your answers of given input in given code snippet

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