import sys
input = sys.stdin.readline

A,B = list(map(int,input().split()))
if A>=13:
    print(B)
elif A <= 5:
    print(0)
else:
    print(B//2) import sys sys input = sys.stdin.readline input sys.stdin.readline sys.stdin sys stdin readline A,B = list(map(int,input().split())) A list(map(int,input().split())) list map(int,input().split()) map int input().split() ().split () input split B if A>=13:
    print(B)
elif A <= 5:
    print(0)
else:
    print(B//2) A>=13 A 13 print(B) print B elif A <= 5:
    print(0) A <= 5 A 5 print(0) print 0 print(B//2) print B//2 B 2 input = sys.stdin.readline sys.stdin.readline input B = list(map(int,input().split())) list(map(int,input().split())) B A,B = list(map(int,input().split())) list(map(int,input().split())) A
import sys
input = sys.stdin.readline

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