def main():
    a,b=map(int,input().split(' '))
    if(a>=13): print(b)
    elif(a<=12 and a>=6): print(int(b/2))
    else: print(0)

main() def main():
    a,b=map(int,input().split(' '))
    if(a>=13): print(b)
    elif(a<=12 and a>=6): print(int(b/2))
    else: print(0) main 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<=12 and a>=6): print(int(b/2))
    else: print(0) a>=13 a 13 elif(a<=12 and a>=6): print(int(b/2))
     a<=12 and a>=6 a<=12 a 12 a>=6 a 6 main() main def main():
    a,b=map(int,input().split(' '))
    if(a>=13): print(b)
    elif(a<=12 and a>=6): print(int(b/2))
    else: print(0) def main():
    a,b=map(int,input().split(' '))
    if(a>=13): print(b)
    elif(a<=12 and a>=6): print(int(b/2))
    else: print(0) main
def main():
    a,b=map(int,input().split(' '))
    if(a>=13): print(b)
    elif(a<=12 and a>=6): print(int(b/2))
    else: print(0)

main()
