def main():
    n, h = map(int, input().split())
    arr = list(map(int, input().split()))

    if h == 1 or 0 in arr or h in arr:
        exit(print("YES"))

    cur = 1
    for a in arr:
        if a < 0:
            a *= -1
        cur = (cur * (a % h)) % h

    if cur == 0:
        print("YES")
    else:
        print("NO")


if __name__ == "__main__":
    main()