import lib
data = open(0).read().strip()

part_1 = False

rds = []
max_dist = 0
gtime = 2503
rds = []
for line in data.splitlines():
    speed, time, rest = lib.str_to_ints(line)
    rds.append([speed, time, rest, 0, 0, 0])
    speed *= 1000

    dist = 0
    ctime = 0
    while ctime < gtime:
        t = min(time, gtime - ctime)
        dist += (speed * t)
        ctime += time
        ctime += rest
    max_dist = max(dist, max_dist)

if part_1:
    print(max_dist // 1000)

scores = [0 for _ in range(len(rds))]
for _ in range(gtime):
    for i in range(len(rds)):
        speed, time, rest, dist, travel_time, rest_time = rds[i]
        rd = rds[i]
        if travel_time < time:
            rd[3] += speed
            rd[4] += 1
        elif rest_time < rest:
            rd[5] += 1
            if rd[5] == rest:
                rd[4] = 0
                rd[5] = 0

    max_i = -1
    max_v = 0
    for i, rd in enumerate(rds):
        if rd[3] > max_v:
            max_i = i
            max_v = rd[3]
    for i, rd in enumerate(rds):
        if rd[3] == max_v:
            scores[i] += 1

if not part_1:
    print(max(scores))