#!/bin/python3

import sys
from pprint import pprint

input_f = sys.argv[1]
arr = []
cards = []

result = 0

def calc_double(x):
    tmp = 1
    if len(x) <= 2:
        return len(x)
    for i in range(1,len(x)+1):
        if i == 1:
            tmp = 1
        else:
            tmp = tmp*2
    return tmp

with open(input_f) as file:
    for line in file:
        tmp = line.replace(':','|').rstrip()
        arr.append(tmp.split('|'))

    for idx,i in enumerate(arr):
        cards.append([])
        for jdx,j in enumerate(i):
            cards[idx].append(j.split())

    for x in cards:
        match = list(set(x[1]) & set(x[2]))
        if len(match) != 0:
            result = result + int(calc_double(match))

print(result)