#! /usr/bin/env python3

H, W = map(int, input().split())
S = [input() for x in range(H)]
f = sum(1 for i in S if i.count('*') > 1)
for i in range(H):
    if [S[i].count('*') > 0, not S[i].count('*') > 1][f]:
        S[i] = S[i].replace('-', '*', 1)
        break
for i in S:print(i)