a, b = map(int, input().split())

if a >= 13:
    print(b)
if 6 <= a <= 12:
    print(b // 2)
if a < 6:
    print(0) a, b = map(int, input().split()) a map(int, input().split()) map int input().split() ().split () input split b if a >= 13:
    print(b) a >= 13 a 13 print(b) print b if 6 <= a <= 12:
    print(b // 2) 6 <= a <= 12 6 <= a 6 a 12 print(b // 2) print b // 2 b 2 if a < 6:
    print(0) a < 6 a 6 print(0) print 0 a, b = map(int, input().split()) map(int, input().split()) a b = map(int, input().split()) map(int, input().split()) b
a, b = map(int, input().split())

if a >= 13:
    print(b)
if 6 <= a <= 12:
    print(b // 2)
if a < 6:
    print(0)
