import java.io.*;
import java.util.StringTokenizer;
import java.math.BigInteger;

class Main{

static final PrintWriter out=new PrintWriter(System.out);
static final int mod=1000003;

public static void main(String[] args) throws IOException{
BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
String line="";
while((line=br.readLine())!=null&&!line.isEmpty()){
StringTokenizer st1=new StringTokenizer(line);
int n=Integer.parseInt(st1.nextToken());
line=br.readLine();
StringTokenizer st2=new StringTokenizer(line);
int ans=0;
while(st2.hasMoreTokens()){
int a=Integer.parseInt(st2.nextToken());
ans+=pow_mod_1000003(n,a);
ans%=mod;
}
out.println(ans);
out.flush();
}
}

private static int pow_mod_1000003(int n,int a){
BigInteger x=BigInteger.valueOf(n);
BigInteger y=BigInteger.valueOf(a);
BigInteger z=BigInteger.valueOf(mod);
x=x.xor(y).remainder(z);
return x.intValue();
}
}