from sys import stdin

def solve():
    h, w = map(int, input().split())
    S = [[i for i in input()] for j in range(h)]

    for i in range(h):
        for j in range(w):
            if S[i][j] == '*':
                if j == w - 1:
                    S[i][j - 1] = '*'

                    for k in range(h):
                        print(''.join(S[k]))

                    return
                else:
                    if '*' in S[i][j + 1:]:
                        if i < h - 1:
                            S[i + 1][j] = '*'
                        else:
                            S[i - 1][j] = '*'
                    else:
                        S[i][j + 1] = '*'

                    for k in range(h):
                        print(''.join(S[k]))
                    return


def debug(x, table):
    for name, val in table.items():
        if x is val:
            print('DEBUG:{} -> {}'.format(name, val), file=sys.stderr)
            return None

if __name__ == '__main__':
    solve()