import sys

input = sys.stdin.readline


def main():
    A, B = map(int, input().split())

    if A >= 13:
        print(B)
    elif 6 <= A <= 12:
        print(B // 2)
    else:
        print(0)


if __name__ == "__main__":
    main() import sys sys input = sys.stdin.readline input sys.stdin.readline sys.stdin sys stdin readline def main():
    A, B = map(int, input().split())

    if A >= 13:
        print(B)
    elif 6 <= A <= 12:
        print(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(B // 2)
    else:
        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 print(0) print 0 if __name__ == "__main__":
    main() __name__ == "__main__" __name__ "__main__" main() main def main():
    A, B = map(int, input().split())

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

    if A >= 13:
        print(B)
    elif 6 <= A <= 12:
        print(B // 2)
    else:
        print(0) main input = sys.stdin.readline sys.stdin.readline input
import sys

input = sys.stdin.readline


def main():
    A, B = map(int, input().split())

    if A >= 13:
        print(B)
    elif 6 <= A <= 12:
        print(B // 2)
    else:
        print(0)


if __name__ == "__main__":
    main()
