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

#define int long long
#define rep(i, n) for(int i = 0; i < (int)(n); ++i)

int solve(void) {
    int H, W;
    cin >> H >> W;
    vector<string> S(H);
    rep(i, H) cin >> S[i];
    
    vector<int> cntW(W, 0);
    rep(i, H) rep(j, W) if(S[i][j] == '#') cntW[j] += 1;
    
    vector<int> cntH(H, 0);
    rep(i, H) rep(j, W) if(cntW[j] > i) cntH[i] += 1;
    
    rep(i, H) {
    	string ans;
    	rep(j, cntH[i]) ans += '#';
    	rep(j, W - cntH[i]) ans += '.';
    	cout << ans << "\n";
    }
    
    return 0;
}

signed main(void) {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
    
    int Testcases = 1;
    //cin >> Testcases;
    while(Testcases--) solve();
    
    return 0;
}