import sys
import string

file_name=sys.argv[0]

char= words = lines = theCount = aCount= 0


with open(file_name,'r') as in_file:
    for line in in_file:
        lines +=1
        words +=len(line.split())
        char +=len(line)
        if 'the' in words:
            theCount +=1
        if 'a' in words:
            a +=1
        if 'an' in words:
            a +=1

print("Filename:", file_name)
print("Number of lines:", lines)
print("Number of characters:", char)
print("Number of 'the'", theCount)
print("Number of a/an:", aCount)