gridvote.py

#! /usr/bin/env python

import sys

labels = sys.argv[1:]

rows = map(lambda strings: map(int, strings), map(str.split, map(str.rstrip, sys.stdin.readlines())))

def vote(row):
	assert len(row) == len(labels)
	return sorted(zip(row, labels))

def stringify(vote):
	tokens = [('', vote[0][1])] + [('=' if vote[i - 1][0] == vote[i][0] else '>', vote[i][1]) for i in xrange(1, len(vote))]
	return ' '.join(map(' '.join, tokens)).lstrip()

votes = map(vote, rows)

for vote in votes:
	print stringify(vote)