def main():
    a,b = map(int, input().split())
    if a>=13:
        print(b)
    elif 6<=a<=12:
        print(int(b/2))
    else:
        print(0)
main() def main():
    a,b = map(int, input().split())
    if a>=13:
        print(b)
    elif 6<=a<=12:
        print(int(b/2))
    else:
        print(0) main a,b = map(int, input().split()) a map(int, input().split()) map int input().split() ().split () input split b if a>=13:
        print(b)
    elif 6<=a<=12:
        print(int(b/2))
    else:
        print(0) a>=13 a 13 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 = map(int, input().split())
    if a>=13:
        print(b)
    elif 6<=a<=12:
        print(int(b/2))
    else:
        print(0) def main():
    a,b = map(int, input().split())
    if a>=13:
        print(b)
    elif 6<=a<=12:
        print(int(b/2))
    else:
        print(0) main
def main():
    a,b = map(int, input().split())
    if a>=13:
        print(b)
    elif 6<=a<=12:
        print(int(b/2))
    else:
        print(0)
main()