def main():
    a, b = [int(x) for x in input().split()]
    if a > 12:
        print(b)
    elif 6 <= a <= 12:
        print(int(b/2))
    else:
        print(0)
main() def main():
    a, b = [int(x) for x in input().split()]
    if a > 12:
        print(b)
    elif 6 <= a <= 12:
        print(int(b/2))
    else:
        print(0) main int(x) for x in input().split() for x in input().split() x input().split() ().split () input split for x in input().split() int(x) int x a, b = [int(x) for x in input().split()] a [int(x) for x in input().split()] b if a > 12:
        print(b)
    elif 6 <= a <= 12:
        print(int(b/2))
    else:
        print(0) a > 12 a 12 print(b) print b elif 6 <= a <= 12:
        print(int(b/2))
     6 <= a <= 12 6 <= a 6 a 12 print(int(b/2)) print int(b/2) int b/2 b 2 print(0) print 0 main() main def main():
    a, b = [int(x) for x in input().split()]
    if a > 12:
        print(b)
    elif 6 <= a <= 12:
        print(int(b/2))
    else:
        print(0) def main():
    a, b = [int(x) for x in input().split()]
    if a > 12:
        print(b)
    elif 6 <= a <= 12:
        print(int(b/2))
    else:
        print(0) main
def main():
    a, b = [int(x) for x in input().split()]
    if a > 12:
        print(b)
    elif 6 <= a <= 12:
        print(int(b/2))
    else:
        print(0)
main()