A, B = list(map(int,input().split()))
if A <= 5:
  print(0)
elif 6 <= A and A <= 12:
  print(int(B/2))
else:
  print(B) A, B = list(map(int,input().split())) A list(map(int,input().split())) list map(int,input().split()) map int input().split() ().split () input split B if A <= 5:
  print(0)
elif 6 <= A and A <= 12:
  print(int(B/2))
else:
  print(B) A <= 5 A 5 print(0) print 0 elif 6 <= A and A <= 12:
  print(int(B/2)) 6 <= A and A <= 12 6 <= A 6 A A <= 12 A 12 print(int(B/2)) print int(B/2) int B/2 B 2 print(B) print B B = list(map(int,input().split())) list(map(int,input().split())) B A, B = list(map(int,input().split())) list(map(int,input().split())) A
A, B = list(map(int,input().split()))
if A <= 5:
  print(0)
elif 6 <= A and A <= 12:
  print(int(B/2))
else:
  print(B)