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