a, b = list(map(int, input().split()))
# x = list(map(int, input().split()))
# abc = [int(input()) for i in range(5)]
# n = int(input())
# n, m = list(map(int, input().split()))
if a < 6:
    print(0)
elif a <= 12:
    print(int(b/2))
else:
    print(b) a, b = list(map(int, input().split())) a list(map(int, input().split())) list map(int, input().split()) map int input().split() ().split () input split b if a < 6:
    print(0)
elif a <= 12:
    print(int(b/2))
else:
    print(b) a < 6 a 6 print(0) print 0 elif a <= 12:
    print(int(b/2)) a <= 12 a 12 print(int(b/2)) print int(b/2) int b/2 b 2 print(b) print b b = list(map(int, input().split())) list(map(int, input().split())) b a, b = list(map(int, input().split())) list(map(int, input().split())) a
a, b = list(map(int, input().split()))
# x = list(map(int, input().split()))
# abc = [int(input()) for i in range(5)]
# n = int(input())
# n, m = list(map(int, input().split()))
if a < 6:
    print(0)
elif a <= 12:
    print(int(b/2))
else:
    print(b)
