import collections, sys, re

filecount=0
dict1 = collections.defaultdict(list)

for file1 in sys.argv[1:]:
   filecount+=1
   f = open(file1, "r")
   linecount=1
   for line in f:
      if linecount>1:
         p = re.search("^(.+),.+", line.strip())
         if p:
            dict1[p.group(1)].append(filecount)
      linecount+=1

for the_key, the_value in dict1.items():
   count=''
   sys.stdout.write(the_key + ',')
   c = collections.Counter(the_value)
   for i in range(1,filecount+1):
      if count:
         count = count + "," + str(c[i])
      else:
         count = str(c[i])
   print(count)