import java.lang.StringBuilder

fun main(args: Array<String>) {
    val (a,b) = readLine()!!.split(" ").map { it.toInt() }
    basePow = a
    val list = readLine()!!.split(" ").map { it.toInt() }
    val ans = list.map { getPow(it) }.reduce { acc, l -> acc + l } % div
    println(ans)
}

var basePow = 2
val div = 1000003
val dic = mutableMapOf<Int, Long>()
fun getPow(pow:Int):Long {
    if(pow == 0) {
        return 1
    }
    dic[pow]?.let { return it }
    val ans = (getPow(pow-1) * basePow) % div
    dic[pow] = ans
    return ans
}