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