A,B = map(int,input().split())
if A > 12:
    print(B)
elif 6 <= A <= 12:
    print(B // 2)
else:
    print(0) A,B = map(int,input().split()) A map(int,input().split()) map int input().split() ().split () input split B if A > 12:
    print(B)
elif 6 <= A <= 12:
    print(B // 2)
else:
    print(0) A > 12 A 12 print(B) print B elif 6 <= A <= 12:
    print(B // 2) 6 <= A <= 12 6 <= A 6 A 12 print(B // 2) print B // 2 B 2 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 > 12:
    print(B)
elif 6 <= A <= 12:
    print(B // 2)
else:
    print(0)