#!/usr/bin/env python

import sys
import re


def main():
    for line in open("user-results.csv", "rt"):
        line = line.rstrip("\n")
        uid, school, date, points = line.split(",")
        if re.match("[^\.]+\.c", uid):
            if int(points) >= 500:
                print "%s,%s" % (uid,points)


if __name__ == "__main__":
    sys.exit(main())