a,b=map(int,input().split())
if a>12:
    print(b)
elif 5<a<13:
    print(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 5<a<13:
    print(b//2)
else:
    print(0) a>12 a 12 print(b) print b elif 5<a<13:
    print(b//2) 5<a<13 5<a 5 a 13 print(b//2) print b//2 b 2 print(0) print 0 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>12:
    print(b)
elif 5<a<13:
    print(b//2)
else:
    print(0)