#!/usr/bin/env python

import re
import argparse

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

def check_triangle(a, b, c):
    if (a + b <= c):
        return 0
    if (b + c <= a):
        return 0
    if (c + a <= b):
        return 0
    return 1
  
def main(args):
    TRIANGLE_GOOD = 0
    data = load_file(args.input)

    for x in range(0, len(data), 3):
        t1 = re.split(r'\s{1,}', data[x].strip())
        t2 = re.split(r'\s{1,}', data[x+1].strip())
        t3 = re.split(r'\s{1,}', data[x+2].strip())

        TRIANGLE_GOOD += check_triangle(int(t1[0]), int(t2[0]), int(t3[0]))
        TRIANGLE_GOOD += check_triangle(int(t1[1]), int(t2[1]), int(t3[1]))
        TRIANGLE_GOOD += check_triangle(int(t1[2]), int(t2[2]), int(t3[2]))

    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)