# -*- coding:utf-8 -*-
pd = [2, 3, 5, 7, 11, 13]
cd = [4, 6, 8, 9, 10, 12]
pdev = sum(pd) / len(pd)
cdev = sum(cd) / len(cd)

if __name__ == '__main__':
    p, c = map(int, input().split())
    print((pdev ** p) * (cdev ** c))