import java.util.*;

public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    long l = sc.nextLong();
    long ans = 0;
    long MOD = 1000003;
    for(long a = 2; (a * a * 8) < l; a++) {
      for(long b = 1; b < a; b++) {
        if((8 * a * a + 8 * a * b) <= l) {
          if((gcd(a, b) == 1) && (((a - b) % 2) == 1)) ans = (ans + 1) % MOD;
        }
      }
    }
    System.out.println(ans);
  }

  public static long gcd(long x, long y) {
    if(y == 0) return x;
    return gcd(y, (x % y));
  }
}