#include <bits/stdc++.h>
using namespace std;

#define rep(i, a, b) for (ll i = a; i < b; i++)
using ll = long long;

int main(){
    int n, m;
    cin >> n >> m;
    vector<string> s(n);
    rep(i, 0, n)  cin >> s[i];
    rep(j, 0, m) {
        int c = 0;
        rep(i, 0, n) {
            if(s[i][j] == '#') c++;
        }
        rep(i, 0, n) {
            if(i < c) s[i][j] = '#';
            else s[i][j] = '.';
        }
    }
    rep(i, 0, n) {
        int c = 0;
        rep(j, 0, m) {
            if(s[i][j] == '#') c++;
        }
        rep(j, 0, m) {
            if(j < c) s[i][j] = '#';
            else s[i][j] = '.';
        }
    }
    rep(i, 0, n) cout << s[i] << endl;
}