#!/usr/bin/env python3

import sys
import re

def parse_rules(lines):
    rules =  {}
    for line in lines:
        rule, pattern = line.split(':')
        alternatives = pattern.split('|')
        rules[int(rule)] = [a.strip(' ').split(' ') for a in alternatives]
    return rules

def memo(f):
   mem = {}
   def helper(x):
      if x not in mem: mem[x] = f(x)
      return mem[x]
   return helper

@memo
def expr(rule):
    if rule == 8:
        return expr(42) + '+'
    if rule == 11:
        return '(?:' + expr(42) + '(?=a*(\1?+b)b*(\2?+c)))+\1' + expr(31) + ')'
    global rules
    if type(rule) is str: 
        try: rule = int(rule)
        except ValueError: return rule[1]
    pattern = rules[rule]
    res = ["".join(expr(dep) for dep in alt) for alt in pattern]
    if len(res) == 1: return res[0]
    return "(" + "|".join(res) + ")"

if __name__ == '__main__':
    rules, messages = open(sys.argv[1]).read().split('\n\n')
    rules = parse_rules(rules.split('\n'))
    count = 0
    messages = messages.split("\n")
    for m in messages: 
        if bool(re.match('^' + expr(0) + '$', m)):
            count += 1
    print(count)