a,b = map(int,input().split())

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