# -*- coding:utf-8 -*-
import itertools

if __name__ == "__main__":
	sosuu = [2,3,5,7,11,13]
	gousei = [4,6,8,9,10,12]
	p,c = map(int,raw_input().split())
	print (sum(sosuu)/6.)**p * (sum(gousei)/6.)**c