h, w = map(int, input().split())

board = [list(input()) for _ in range(h)]

for j in range(w):
    stones = []
    for i in range(h):
        if board[i][j] == "#":
            stones.append("#")

    for i in range(h):
        if i < len(stones):
            board[i][j] = "#"
        else:
            board[i][j] = "."

for i in range(h):
    stones = []
    for j in range(w):
        if board[i][j] == "#":
            stones.append("#")

    for j in range(w):
        if j < len(stones):
            board[i][j] = "#"
        else:
            board[i][j] = "."

for i in range(h):
    print("".join(board[i]))