#include<bits/stdc++.h>
namespace {
#pragma GCC diagnostic ignored "-Wunused-function"
#include<atcoder/all>
#pragma GCC diagnostic warning "-Wunused-function"
using namespace std;
using namespace atcoder;
#define rep(i,n) for(int i = 0; i < (int)(n); i++)
#define rrep(i,n) for(int i = (int)(n) - 1; i >= 0; i--)
#define all(x) begin(x), end(x)
#define rall(x) rbegin(x), rend(x)
template<class T> bool chmax(T& a, const T& b) { if (a < b) { a = b; return true; } else return false; }
template<class T> bool chmin(T& a, const T& b) { if (b < a) { a = b; return true; } else return false; }
using ll = long long;
using P = pair<int,int>;
using VI = vector<int>;
using VVI = vector<VI>;
using VL = vector<ll>;
using VVL = vector<VL>;

bool a[100][100];

} int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  int n, m;
  cin >> n >> m;
  rep(i, n) rep(j, m) {
    char c;
    cin >> c;
    a[i][j] = c == '#';
  }
  rep(_, 2) {
    rep(j, 100) {
      int cnt = 0;
      rep(i, 100) cnt += a[i][j], a[i][j] = false;
      rep(i, cnt) a[i][j] = true;
    }
    rep(i, 100) rep(j, i) swap(a[i][j], a[j][i]);
  }
  rep(i, n) {
    rep(j, m) cout << ".#"[a[i][j]];
    cout << '\n';
  }
}