a,b= list(map(int, input().split()))
if a>=13:
    print(b)
if a>=6 and a<=12:
    print(int(b/2))
if a<=5:
    print('0') 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>=13:
    print(b) a>=13 a 13 print(b) print b if a>=6 and a<=12:
    print(int(b/2)) a>=6 and a<=12 a>=6 a 6 a<=12 a 12 print(int(b/2)) print int(b/2) int b/2 b 2 if a<=5:
    print('0') a<=5 a 5 print('0') print '0' a,b= list(map(int, input().split())) list(map(int, input().split())) a b= list(map(int, input().split())) list(map(int, input().split())) b
a,b= list(map(int, input().split()))
if a>=13:
    print(b)
if a>=6 and a<=12:
    print(int(b/2))
if a<=5:
    print('0')
