#include <stdio.h>
#include <stdlib.h>
#include <math.h>

#define ANS (1000000+3)

int main(void)
{
	char x,n,g,h,i,j;
	int a,tmp,ans=0;
	scanf("%hhd %hhd",&x,&n);
	for (i=0;i<n;i++) {
		scanf("%d",&a);
		
		g = a / 4;
		h = a % 4;
		tmp = 1;
		for (j=0;j<g;j++) {
			tmp *= pow(x,4);
			tmp = tmp % ANS;
		}
		tmp *= pow(x,h);
		tmp = tmp % ANS;
		ans += tmp;
		ans = ans % ANS;
	}

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