#include<iostream>
#include<algorithm>
#include<cstdio>
#include<cstdlib>
#include<vector>
#include<map>
#include<queue>
#include<string>
#include<sstream>
#include<cmath>
#include<numeric>
using namespace std;

int main(){

  int h, w;
  cin >> h >> w;
  vector<string> s(h);
  for(int i=0; i<h; i++) cin >> s[i];

  vector< pair<int, int> > star;
  for(int i=0; i<h; i++){
    for(int j=0; j<w; j++){
      if( s[i][j] == '*' ) star.push_back( make_pair(i, j) );
    }
  }

  if( star[0].first == star[1].first ){
    s[ (star[0].first+1)%h ][ star[0].second ] = '*';
  }else if( star[0].second == star[1].second ){
    s[ (star[0].first) ][ (star[0].second+1)%w ] = '*';
  }else{
    s[ (star[0].first) ][ star[1].second ] = '*';
  }

  for(int i=0; i<h; i++){
    for(int j=0; j<w; j++){
      cout << s[i][j];
    }
    cout << endl;
  }

  return 0;
}