/* -*- coding: utf-8 -*-
 *
 * 152.cc: No.152 貯金箱の消失 - yukicoder
 */

#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<cmath>
#include<iostream>
#include<string>
#include<vector>
#include<map>
#include<set>
#include<stack>
#include<list>
#include<queue>
#include<deque>
#include<algorithm>
#include<numeric>
#include<utility>
#include<complex>
#include<functional>
 
using namespace std;

/* constant */

const int MAX_N = 100;
const int MOD = 1000003;

/* typedef */

/* global variables */

/* subroutines */

/* main */

int main() {
  int l;
  cin >> l;
  int ql = l / 4;

  int cnt = 0;
  for (int m = 2; 2 * m * m < ql; m++)
    for (int n = (m & 1) + 1; n < m; n += 2) {
      // (m^2+n^2) + (m^2-n^2) + 2mn
      if (2 * m * (m + n) > ql) break;
      if (__gcd(m, n) == 1) cnt++;
    }

  printf("%d\n", cnt % MOD);
  return 0;
}