import sys
input = lambda: sys.stdin.readline().rstrip()

A, B = map(int, input().split())

if A <= 5:
    print(0)
elif A <= 12:
    print(B//2)
else:
    print(B) import sys sys input = lambda: sys.stdin.readline().rstrip() input lambda: sys.stdin.readline().rstrip() sys.stdin.readline().rstrip() sys.stdin.readline().rstrip sys.stdin.readline() sys.stdin.readline sys.stdin sys stdin readline rstrip 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 A, B = map(int, input().split()) map(int, input().split()) A B = map(int, input().split()) map(int, input().split()) B input = lambda: sys.stdin.readline().rstrip() lambda: sys.stdin.readline().rstrip() input
import sys
input = lambda: sys.stdin.readline().rstrip()

A, B = map(int, input().split())

if A <= 5:
    print(0)
elif A <= 12:
    print(B//2)
else:
    print(B)