A,B=map(int,input().split())
if A>=13:
    print(B)
if 5<A<13:
    print(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 5<A<13:
    print(B//2) 5<A<13 5<A 5 A 13 print(B//2) print B//2 B 2 if A<=5:
    print(0) A<=5 A 5 print(0) print 0 B=map(int,input().split()) map(int,input().split()) B A,B=map(int,input().split()) map(int,input().split()) A
A,B=map(int,input().split())
if A>=13:
    print(B)
if 5<A<13:
    print(B//2)
if A<=5:
    print(0)