9

file = open('9.csv')
cnt = 0
for s in file:
    #a = sorted(list(map(int, s.split(';')[:3])))
    #if a[0] + a[1] > a[2]:
    #    cnt += 1
    s.split(';')
    a = int(s[0])
    b = int(s[1])
    c = int(s[2])
    if a + b > c and a + c > b and c + b > a:
        cnt += 1
print(cnt)