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