#!/usr/bin/env python

import re
import argparse

def load_file(filename):
    with open(filename) as f:
        data = f.readlines()
    return data

def main(args):
    TRIANGLE_GOOD = 0
    for LINE in load_file(args.input):
        LINE = LINE.strip()
        token = re.split(r'\s{1,}', LINE)

        if (int(token[0]) + int(token[1]) <= int(token[2])):
            continue
        if (int(token[2]) + int(token[0]) <= int(token[1])):
            continue
        if (int(token[1]) + int(token[2]) <= int(token[0])):
            continue
        TRIANGLE_GOOD += 1

    print(TRIANGLE_GOOD)
if __name__ == "__main__":
    parser = argparse.ArgumentParser(description='AdventOfCode 2016 Day 01')
    parser.add_argument('--input', '-i', action='store',  required=True, help='input file')
    args = parser.parse_args()

    main(args)