input = raw_input().split(' ')
P = int(input[0])
C = int(input[1])
sosu = [2,3,5,7,11,13]
gouseisu = [4,6,8,9,10,12]
s_out = 1
g_out = 1

if P != 0:
	s_out = (float(sum(sosu))/6)**P
if C != 0:
	g_out = (float(sum(gouseisu))/6)**C

print s_out*g_out