A,B = map(int,input().split())
if 5<A<13:
  print(B//2)
elif A<6:
  print(0)
else:
  print(B) A,B = map(int,input().split()) A map(int,input().split()) map int input().split() ().split () input split B if 5<A<13:
  print(B//2)
elif A<6:
  print(0)
else:
  print(B) 5<A<13 5<A 5 A 13 print(B//2) print B//2 B 2 elif A<6:
  print(0) A<6 A 6 print(0) print 0 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 5<A<13:
  print(B//2)
elif A<6:
  print(0)
else:
  print(B)