a,b=map(int,input().split())
if a>12:
  print(b)
elif a>=6:
  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(b)
elif a>=6:
  print(int(b/2))
else:
  print("0") a>12 a 12 print(b) print b elif a>=6:
  print(int(b/2)) a>=6 a 6 print(int(b/2)) print int(b/2) int b/2 b 2 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 a>12:
  print(b)
elif a>=6:
  print(int(b/2))
else:
  print("0")