import sys
input = lambda: sys.stdin.readline().rstrip()

def main():
    a, b = map(int, input().split())
    if a <= 5:
        print(0)
    elif 6 <= a and a <= 12:
        print(b//2)
    else:
        print(b)
    
if __name__ == '__main__':
    main() import sys sys input = lambda: sys.stdin.readline().rstrip() input lambda: sys.stdin.readline().rstrip() sys.stdin.readline().rstrip() sys.stdin.readline().rstrip sys.stdin.readline() sys.stdin.readline sys.stdin sys stdin readline rstrip def main():
    a, b = map(int, input().split())
    if a <= 5:
        print(0)
    elif 6 <= a and a <= 12:
        print(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 <= 5:
        print(0)
    elif 6 <= a and a <= 12:
        print(b//2)
    else:
        print(b)
     a <= 5 a 5 print(0) print 0 elif 6 <= a and a <= 12:
        print(b//2)
     6 <= a and a <= 12 6 <= a 6 a a <= 12 a 12 print(b//2) print 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 <= 5:
        print(0)
    elif 6 <= a and a <= 12:
        print(b//2)
    else:
        print(b)
     def main():
    a, b = map(int, input().split())
    if a <= 5:
        print(0)
    elif 6 <= a and a <= 12:
        print(b//2)
    else:
        print(b)
     main input = lambda: sys.stdin.readline().rstrip() lambda: sys.stdin.readline().rstrip() input
import sys
input = lambda: sys.stdin.readline().rstrip()

def main():
    a, b = map(int, input().split())
    if a <= 5:
        print(0)
    elif 6 <= a and a <= 12:
        print(b//2)
    else:
        print(b)
    
if __name__ == '__main__':
    main()