def main():
  from sys import stdin
  readline=stdin.readline
  n, h = map(int, readline().split())
  A = list(map(int, readline().split()))
  now = 1
  for a in A:
    now *= a
    now %= h 
    if now == 0:
      print('YES')
      break
  else:
    print('NO')
main()