a, b = map(int, input().split())
if a > 12:
  print(int(b))
elif 5 < a < 13:
  print(int(b/2))
else:
  print(0) a, b = map(int, input().split()) a map(int, input().split()) map int input().split() ().split () input split b if a > 12:
  print(int(b))
elif 5 < a < 13:
  print(int(b/2))
else:
  print(0) a > 12 a 12 print(int(b)) print int(b) int b elif 5 < a < 13:
  print(int(b/2)) 5 < a < 13 5 < a 5 a 13 print(int(b/2)) print int(b/2) int b/2 b 2 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 > 12:
  print(int(b))
elif 5 < a < 13:
  print(int(b/2))
else:
  print(0)