A, B = map(int, input().split())

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

if A >= 13:
    print(B)
elif A > 5:
    print(int(B/2))
else:
    print(0)