N,M = map(int, input().split())
S = [list(input()) for _ in range(N)]

operated = True
while operated:
    operated = False
    for i in range(N):
        for j in range(M):
            if i > 0 and S[i-1][j] == '.' and S[i][j] == '#':
                S[i-1][j] = '#'
                S[i][j] = '.'
                operated = True

operated = True
while operated:
    operated = False
    for i in range(N):
        for j in range(M):
            if j > 0 and S[i][j-1] == '.' and S[i][j] == '#':
                S[i][j-1] = '#'
                S[i][j] = '.'
                operated = True


for i in range(N):
    print(''.join(S[i]))