Input

5 8
.#.#..#.
.....#..
.#.#..#.
#.#....#
.....#..

Output

Yes

Input

5 5
..#..
..#..
#####
..#..
..#..

Output

No

Input

5 9
........#
#........
..##.#...
.......#.
....#.#.#

Output

No