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