import os, sys
import Image

for infile in sys.argv[1:]:
	try:
		converted = 0
		if os.path.splitext(infile)[1] != ".jpg":
			os.popen ("convert "+infile+" "+os.path.splitext(infile)[0]+".jpg")
			infile1 = os.path.splitext(infile)[0]+".jpg"
			converted = 1
		else:
			infile1 = infile
       		im = Image.open(infile1)

		biggest = im.histogram()[0]
		zero = 0
		nonzero = 0
		critical = 0
		ratio = 0

		for i in im.histogram():
			if biggest < i:
				biggest = i

		step = int(biggest/3)

		for i in im.histogram():
			if float(i)/float(biggest) < 0.001:
				zero = zero+1
			else:
				nonzero = nonzero+1

			if i >= step:
				critical = critical+1

		nonzero = nonzero + 1
		zero = zero + 1
		ratio = nonzero / zero

		if critical < 14 and zero > 5 and ratio < 8:
			print "----- SPAM!"
		else:
			print "----- NOT SPAM!"

#		print critical,"\t",zero,"\t",nonzero,"\t",ratio
#		print infile

		if converted == 1:
			os.popen("rm "+infile1)
			converted = 0

	except IOError:
		print "error", infile