def main():
    a, b = map(int, input().split())

    if a < 6:
        print(0)
    elif a < 13:
        print(int(b/2))
    else:
        print(b)
    



if __name__ == "__main__":
    main() def main():
    a, b = map(int, input().split())

    if a < 6:
        print(0)
    elif a < 13:
        print(int(b/2))
    else:
        print(b)
     main a, b = map(int, input().split()) a map(int, input().split()) map int input().split() ().split () input split b if a < 6:
        print(0)
    elif a < 13:
        print(int(b/2))
    else:
        print(b)
     a < 6 a 6 print(0) print 0 elif a < 13:
        print(int(b/2))
     a < 13 a 13 print(int(b/2)) print int(b/2) int b/2 b 2 print(b) print b if __name__ == "__main__":
    main() __name__ == "__main__" __name__ "__main__" main() main def main():
    a, b = map(int, input().split())

    if a < 6:
        print(0)
    elif a < 13:
        print(int(b/2))
    else:
        print(b)
     def main():
    a, b = map(int, input().split())

    if a < 6:
        print(0)
    elif a < 13:
        print(int(b/2))
    else:
        print(b)
     main
def main():
    a, b = map(int, input().split())

    if a < 6:
        print(0)
    elif a < 13:
        print(int(b/2))
    else:
        print(b)
    



if __name__ == "__main__":
    main()