#usage: python count.py inputfile 10 > outputfile
#python count.py inputfile 10 | cut -f 1 | sort | uniq -c

import sys
args = sys.argv
file = args[1]
itemThreshold = int(args[2])
itemCount = {}
with open(file) as fh:
	for row in fh:
		item = row.split('\t')[1]
		if item not in itemCount:
			itemCount[item] = 1
		else:
			itemCount[item] += 1
fh.close()
with open(file) as fh:
	for row in fh:
		item = row.split('\t')[1]
		if itemCount[item] >= itemThreshold:
			print(row.rstrip())