#include <bits/stdc++.h>
#include <cassert>
using namespace std;
using ll = long long;
#define rep(i,n) for(int i=0;i<(n);i++)

int main(){
    int n, m;
    cin >> n >> m;
    assert(1<=n && n<=100);
    assert(1<=m && m<=100);
    vector<string> s(n);
    rep(i,n){
        cin >> s[i];
        assert(s[i].size()==m);
        for(char c : s[i]) assert(c=='.' || c=='#');
    }

    vector<int> c1(m), c2(n+5);
    c2[0] = m;
    rep(i,n) rep(j,m) if(s[i][j]=='#') c1[j]++;
    rep(i,m) c2[c1[i]]--;
    rep(i,n) c2[i+1] += c2[i];
    
    rep(i,n){
        rep(j,m) cout << (j<c2[i]? '#' : '.');
        cout << endl;
    }

}