N,M=map(int,input().split())
S=[list(input()) for i in range(N)]
for i in range(N):
    for j in range(M):
        if S[i][j]=='#':
            ci=i
            while True:
                if ci>0 and S[ci-1][j]=='.':
                    S[ci][j]='.'
                    S[ci-1][j]='#'
                    ci-=1
                else:
                    break

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

for v in S:
    print(''.join(v))