import re

count = int(input())
s = []
for i in range(count):
    s.append(input())

pattern = re.compile(fr"B\d\d({'|'.join(s)})\d\d")
incorrect = 0
for i in range(10):
    n = input()
    if not pattern.search(n):
        incorrect += 1
        print("N")
    else:
        print("Y")

print(incorrect/10 if incorrect>0 else 0)