A,B=map(int,input().split())
if A>12:
    print(B)
elif A>5:
    print(B//2)
else:
    print(B*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 A>5:
    print(B//2)
else:
    print(B*0) A>12 A 12 print(B) print B elif A>5:
    print(B//2) A>5 A 5 print(B//2) print B//2 B 2 print(B*0) print B*0 B 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 A>5:
    print(B//2)
else:
    print(B*0)