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