from math import gcd
L = int(input())
L4 = L // 4
L82 = int((L//2) ** 0.5) + 1
m = 2
ans = 0
MOD = 1000003
while m <= L82:
    for n in range(m):
        if m % 2 == n % 2:
            continue
        if gcd(m,n) != 1:
            continue
        l = 2 * m * (m + n)
        if L4 >= l:
            ans += 1
            ans %= MOD
    m += 1
print(ans)