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