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