#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <map>
using namespace std;

int main()
{
	int h, w; cin >> h >> w;
	vector<string>sky(h);
	for (int i = 0; i < h; i++){
		cin >> sky[i];
	}

	vector<pair<int, int>>star;
	for (int i = 0; i < h; i++)for (int j = 0; j < w; j++){
		if (sky[i][j] == '*'){
			star.push_back(make_pair(i,j));
		}
	}
	if (star[0].first == star[1].first){
		for (int i = 0; i < h; i++){
			if (i != star[0].first){
				sky[i][star[0].second] = '*';
				break;
			}
		}
	}
	else if (star[0].second == star[1].second){
		for (int i = 0; i < h; i++){
			if (i != star[0].second){
				sky[star[0].first][i] = '*';
				break;
			}
		}
	}
	else{
		sky[star[0].first][star[1].second] = '*';
	}

	for (int i = 0; i < h; i++)cout << sky[i] << endl;

	return 0;
}