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