#include <iostream>
#include <string>
#include <algorithm>
#include <iostream>
#include <string>
#include <algorithm>
#include <vector>
#include <iomanip>
#include <cmath>
#include <stdio.h>
#include <queue>
#include <deque>
#include <cstdio>
#include <set>
#include <map>
#include <bitset>
#include <stack>
#include <cctype>
using namespace std;
string s[110];
int main() {
    int h, w;
    cin >> h >> w;
    bool b = false;
    int x1, y1, x2, y2;
    for (int i = 0; i < h; i++) {
        cin >> s[i];
        for (int j = 0; j < w; j++) {
            if (s[i][j] == '*') {
                if (!b) {
                    x1 = i;
                    y1 = j;
                    b = true;
                }
                else {
                    x2 = i;
                    y2 = j;
                }
            }
        }
    }
    if (y1 == y2) {
        if (y1 != w - 1) {
            s[x1][y1 + 1] = '*';
        }
        else {
            s[x1][y1 - 1] = '*';
        }
    }
    else if (x1 == x2) {
        if (x1 != h - 1) {
            s[x1 + 1][y1] = '*';
        }
        else {
            s[x1 - 1][y1] = '*';
        }
    }
    else{
        if (x1 != h - 1) {
            s[x1 + 1][y1] = '*';
        }
        else {
            s[x1 - 1][y1] = '*';
        }
    }
    for (int i = 0; i < h; i++) {
        cout << s[i] << endl;
    }
    return 0;
}