package main

import (
	"fmt"
)

func gcd(a, b int64) int64 {
	if a < b {
		gcd(b, a)
	}
	if b == 0 {
		return a
	}
	return gcd(b, a%b)
}

func coprime(m, n int64) bool {
	return gcd(m, n) == 1
}

func main() {
	var L, res int64
	fmt.Scan(&L)
	L /= 4
	for m := int64(2); 2*m*m < L; m++ {
		for n := (m & 1) + 1; n < m && 2*m*(m+n) <= L; n += 2 {
			if !coprime(m, n) {
				continue
			}
			res++
			res %= 1000003
		}
	}
	fmt.Println(res)
}