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