def solve():
    P, C = map(int, input().split())
    p = (2, 3, 5, 7, 11, 13)
    c = (4, 6, 8, 9, 10, 12)
    Ep = (sum(p) / 6.0) ** P
    Ec = (sum(c) / 6.0) ** C
    return Ep * Ec
    

print(solve())