#define _USE_MATH_DEFINES
#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
#include<string>
#include<iostream>
#include<iostream>
#include<cctype>
#include<cstdio>
#include<vector>
#include<stack>
#include<queue>
#include <algorithm>
#include<math.h>
#include<set>
#include<map>
#include <sstream>
#include<iomanip>
#include <ctype.h>
#include <fstream>
#include <cassert>
//#include <bits/stdc++.h>
using namespace std;

//#include<bits/stdc++.h>


	
int main() {
	
	int h, w;
	cin >> h >> w;
	vector<string>p;
	int x[3] = {}, y[3] = {};
	int r = 0;
	for (int i = 0; i < h; i++) {
		string t;
		cin >> t;
		p.push_back(t);
		for (int j = 0; j < w; j++)if (t[j] == '*') {
			x[r] = j; y[r] = i;
			r++;
		}
	}
	int a = 0, b = 0;
	for (int i = 0;i<h; i++) {
		for (int j = 0; j < w; j++) {
			if (x[0] == j&&y[0] == i)continue;
			if (x[1] == j&&y[1] == i)continue;
			if (x[0] == j&&x[1] == j)continue;
			if (y[0] == i&&y[1] == i)continue;
			p[i][j] = '*';
			for (int k = 0; k < h; k++) {
				cout << p[k] << endl;
			}
			return 0;

		}
	}

	
	

	return 0;
}