import strutils, sequtils, math

const
  M = 10 ^ 6 + 3
let
  xN, a = stdin.readLine.split.map parseInt
  (x, N) = (xN[0], xN[1])
var
  ttl = newSeq[int](N)

for i, a_i in a:
  var y = 1
  for j in 0 ..< a_i:
    y = (y * x) mod M
  ttl[i] = y

echo ttl.sum