#include <iostream>
#include <vector>
#include <algorithm>
#include <string>
#include <numeric>

int main() {
    int h, w;

    std::cin >> h >> w;

    std::vector<std::string> v(h);

    for (int i = 0; i < h; i++) {
        std::cin >> v[i];
    }

    std::vector<int> count(w);

    for (int i = 0; i < w; i++) {
        int c = 0;
        for (int j = 0; j < h; j++) {
            if (v[j][i] == '*') {
                c++;
            }
        }
        count[i] = c;
    }

    bool change = false;
    for (int i = 0; i < w; i++) {
        if (count[i] != 2) {
            for (int j = 0; j < h; j++) {
                if (v[j][i] != '*') {
                    v[j][i] = '*';
                    change = true;
                    break;
                }
            }
        }
        if (change) break;
    }

    for (int i = 0; i < h; i++) {
        std::cout << v[i] << std::endl;
    }
    
    return 0;
}