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

if A < 6:
    print(0)
elif 6 <= A and A <= 12:
    print(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 < 6:
    print(0)
elif 6 <= A and A <= 12:
    print(B//2)
else:
    print(B) A < 6 A 6 print(0) print 0 elif 6 <= A and A <= 12:
    print(B//2) 6 <= A and A <= 12 6 <= A 6 A A <= 12 A 12 print(B//2) print 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 < 6:
    print(0)
elif 6 <= A and A <= 12:
    print(B//2)
else:
    print(B)
