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

int main() {
    int N, M; cin >> N >> M;
    vector<string> s(N);
    for (int i = 0; i < N; i++) {
        string S; cin >> S; s[i]= S;
    }

    vector<int> row(M, 0);
    for (int n = 0; n < N; n++) {
        for (int m = 0; m < M; m++) {
            if (s[n][m] == '#') row[m]++;
        }
    }

    vector<int> line(N, 0);
    for (int m = 0; m < M; m++) {
        for (int i = 0; i < row[m]; i++) {
            line[i]++;
        }
    }
    
    for (int n = 0; n < N; n++) {
        for (int m = 0; m < M; m++) {
            if (line[n] > m) cout << '#';
            else cout << '.';
        }
        cout << endl;
    }
}