import argparse
import sys

argParser = argparse.ArgumentParser(description='Malware classifier')
argParser.add_argument('-f', action='append', help='Filename')
args = argParser.parse_args()

if args.f is not None:
    filename = args.f
    for line in sys.stdin:
        print (line.split(",")[0])
else:
    argParser.print_help()