using System;
using System.Collections;
using System.Collections.Generic;
 
class TEST{
	static void Main(){
		Sol mySol =new Sol();
		mySol.Solve();
	}
}

class Sol{
	public void Solve(){
		
		L/=4;
		long mod=1000003;
		
		long cnt=0;
		for(long m=1;m*m*2+2*m<=L;m++){
			for(long n=m-1;n>0;n--){
				if((m-n)%2==0)continue;
				if(gcd(m,n)==1 && m*m*2+2*m*n<=L){
					cnt++;cnt%=mod;
//Console.WriteLine("{0},{1},{2}",m*m-n*n,2*m*n,m*m+n*n);
				}
			}
		}
		
		Console.WriteLine(cnt);
		
		
		
		
		
		
	}
	
	long gcd(long a,long b){
		return a==0?b:gcd(b%a,a);
	}
	
	long L;
	public Sol(){
		L=rl();
	}




	static String rs(){return Console.ReadLine();}
	static int ri(){return int.Parse(Console.ReadLine());}
	static long rl(){return long.Parse(Console.ReadLine());}
	static double rd(){return double.Parse(Console.ReadLine());}
	static String[] rsa(){return Console.ReadLine().Split(' ');}
	static int[] ria(){return Array.ConvertAll(Console.ReadLine().Split(' '),e=>int.Parse(e));}
	static long[] rla(){return Array.ConvertAll(Console.ReadLine().Split(' '),e=>long.Parse(e));}
	static double[] rda(){return Array.ConvertAll(Console.ReadLine().Split(' '),e=>double.Parse(e));}
}