A, B = [int(i) for i in input().split()]
if A < 6:
    print(0)
elif A < 13:
    print(B // 2)
else:
    print(B)
 int(i) for i in input().split() for i in input().split() i input().split() ().split () input split for i in input().split() int(i) int i A, B = [int(i) for i in input().split()] A [int(i) for i in input().split()] B if A < 6:
    print(0)
elif A < 13:
    print(B // 2)
else:
    print(B) A < 6 A 6 print(0) print 0 elif A < 13:
    print(B // 2) A < 13 A 13 print(B // 2) print B // 2 B 2 print(B) print B A, B = [int(i) for i in input().split()] [int(i) for i in input().split()] A B = [int(i) for i in input().split()] [int(i) for i in input().split()] B
A, B = [int(i) for i in input().split()]
if A < 6:
    print(0)
elif A < 13:
    print(B // 2)
else:
    print(B)

