import math

def solve(N):
    mod = 1000003
    xyz = N // 4
    max_m = int((xyz / 2)**0.5)
    while max_m * (max_m + 1) * 2 > xyz:
        max_m -= 1
    count = 0
    for m in range(2, max_m + 1):
        for n in range(1, min(m, xyz // (2 * m) - m + 1)):
            if fractions.gcd(m + n, 2*m*n) == 1:
                count += 1
    return count % mod

N = int(input())
print(solve(N))