A,B = (int(x) for x in input().split())
if A >12:
    print(B)
elif A > 5 & A < 13:
    print(int(B/2))
elif A < 6:
    print('0') int(x) for x in input().split() for x in input().split() x input().split() ().split () input split for x in input().split() int(x) int x A,B = (int(x) for x in input().split()) A (int(x) for x in input().split()) B if A >12:
    print(B)
elif A > 5 & A < 13:
    print(int(B/2))
elif A < 6:
    print('0') A >12 A 12 print(B) print B elif A > 5 & A < 13:
    print(int(B/2)) A > 5 & A < 13 A > 5 & A A 5 & A 5 A 13 print(int(B/2)) print int(B/2) int B/2 B 2 elif A < 6:
    print('0') A < 6 A 6 print('0') print '0' A,B = (int(x) for x in input().split()) (int(x) for x in input().split()) A B = (int(x) for x in input().split()) (int(x) for x in input().split()) B
A,B = (int(x) for x in input().split())
if A >12:
    print(B)
elif A > 5 & A < 13:
    print(int(B/2))
elif A < 6:
    print('0')
