with open('f.txt', 'r') as f:
    data = [[int(q) for q in i.split('\t')] for i in f.read().strip().split('\n')]


k = 0
for items in data:
    items = sorted(items, reverse=True)
    sr = [i for i in items if items.count(i) == 1]
    if len(set(items)) == 3 and (sum(sr) / len(sr)) <= (sum(items) - sum(sr)):
        k += 1

print(k) #212