def main():
    a,b = tuple([int(t)for t in input().split()])

    if a<6:
        print(0)
    elif a<13:
        print(b//2)
    else:
        print(b)
if __name__ == "__main__":
    main() def main():
    a,b = tuple([int(t)for t in input().split()])

    if a<6:
        print(0)
    elif a<13:
        print(b//2)
    else:
        print(b) main int(t)for t in input().split() for t in input().split() t input().split() ().split () input split for t in input().split() int(t) int t a,b = tuple([int(t)for t in input().split()]) a tuple([int(t)for t in input().split()]) tuple [int(t)for t in input().split()] b if a<6:
        print(0)
    elif a<13:
        print(b//2)
    else:
        print(b) a<6 a 6 print(0) print 0 elif a<13:
        print(b//2)
     a<13 a 13 print(b//2) print b//2 b 2 print(b) print b if __name__ == "__main__":
    main() __name__ == "__main__" __name__ "__main__" main() main def main():
    a,b = tuple([int(t)for t in input().split()])

    if a<6:
        print(0)
    elif a<13:
        print(b//2)
    else:
        print(b) def main():
    a,b = tuple([int(t)for t in input().split()])

    if a<6:
        print(0)
    elif a<13:
        print(b//2)
    else:
        print(b) main
def main():
    a,b = tuple([int(t)for t in input().split()])

    if a<6:
        print(0)
    elif a<13:
        print(b//2)
    else:
        print(b)
if __name__ == "__main__":
    main()