Решение:

with open('9.txt', 'r') as file:
    lines = file.read().splitlines()

count = 0

for i in lines:
    l = sorted(map(int, i.split('\t')))
    if len(set(l)) == len(l): 
        if l[-1] < sum(l[:-1]):  
            count += 1

print(count)

Ответ: 2322