def main():
    P, C = map(int, input().split())
    primes = (2, 3, 5, 7, 11, 13)
    non_primes = (4, 6, 8, 9, 10, 12)

    print(((sum(primes) / 6) ** P) * ((sum(non_primes) / 6) ** C))


if __name__ == "__main__":
    main()