A, B = map(int, input().split())

if A <= 5:
  print(0)
elif A <= 12:
  C = B / 2
  print(int(C))
else :
  print(B) A, B = map(int, input().split()) A map(int, input().split()) map int input().split() ().split () input split B if A <= 5:
  print(0)
elif A <= 12:
  C = B / 2
  print(int(C))
else :
  print(B) A <= 5 A 5 print(0) print 0 elif A <= 12:
  C = B / 2
  print(int(C)) A <= 12 A 12 C = B / 2 C B / 2 B 2 print(int(C)) print int(C) int C print(B) print B A, B = map(int, input().split()) map(int, input().split()) A C = B / 2 B / 2 C B = map(int, input().split()) map(int, input().split()) B
A, B = map(int, input().split())

if A <= 5:
  print(0)
elif A <= 12:
  C = B / 2
  print(int(C))
else :
  print(B)