from sys import stdin, setrecursionlimit


def main():
    input = stdin.buffer.readline
    a, b = map(int, input().split())
    if a >= 13:
        print(b)
    elif 6 <= a <= 12:
        print(b // 2)
    elif a <= 5:
        print(0)


if __name__ == "__main__":
    setrecursionlimit(10000)
    main() from sys import stdin, setrecursionlimit def main():
    input = stdin.buffer.readline
    a, b = map(int, input().split())
    if a >= 13:
        print(b)
    elif 6 <= a <= 12:
        print(b // 2)
    elif a <= 5:
        print(0) main input = stdin.buffer.readline input stdin.buffer.readline stdin.buffer stdin buffer readline 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(b // 2)
    elif a <= 5:
        print(0) a >= 13 a 13 print(b) print b elif 6 <= a <= 12:
        print(b // 2)
     6 <= a <= 12 6 <= a 6 a 12 print(b // 2) print b // 2 b 2 elif a <= 5:
        print(0) a <= 5 a 5 print(0) print 0 if __name__ == "__main__":
    setrecursionlimit(10000)
    main() __name__ == "__main__" __name__ "__main__" setrecursionlimit(10000) setrecursionlimit 10000 main() main def main():
    input = stdin.buffer.readline
    a, b = map(int, input().split())
    if a >= 13:
        print(b)
    elif 6 <= a <= 12:
        print(b // 2)
    elif a <= 5:
        print(0) def main():
    input = stdin.buffer.readline
    a, b = map(int, input().split())
    if a >= 13:
        print(b)
    elif 6 <= a <= 12:
        print(b // 2)
    elif a <= 5:
        print(0) main
from sys import stdin, setrecursionlimit


def main():
    input = stdin.buffer.readline
    a, b = map(int, input().split())
    if a >= 13:
        print(b)
    elif 6 <= a <= 12:
        print(b // 2)
    elif a <= 5:
        print(0)


if __name__ == "__main__":
    setrecursionlimit(10000)
    main()
