from math import gcd
from collections import defaultdict, Counter

n = int(input())
XY = []
for i in range(n):
    x, y = map(int, input().split())
    XY.append((x, y))

dictionary1 = defaultdict(int)
dictionary2 = defaultdict(set)
ans = set()
if n >= 3:
    for i in range(n - 1):
        for j in range(i + 1, n):
            xi, yi = XY[i]
            xj, yj = XY[j]
            dx = xi - xj
            dy = yi - yj
            if dx < 0:
                dx *= -1
                dy *= -1
            g = gcd(dx, dy)
            dx //= g
            dy //= g
            dictionary1[(dx, dy)] += 1
            dictionary2[(dx, dy)].add(i)
            dictionary2[(dx, dy)].add(j)

    DC = Counter(dictionary1)
    katamuki = DC.most_common()[0][0]
    for num in dictionary2[katamuki]:
        ans.add(num)
    print(len(list(ans)))
elif n == 2:
    print(2)
else:
    print(1)