#include<bits/stdc++.h>
using namespace std;
using Int = long long;
//INSERT ABOVE HERE
signed main(){
  Int h,w;
  cin>>h>>w;
  vector<string> s(h);
  for(Int i=0;i<h;i++) cin>>s[i];

  auto cross=[](Int a,Int b,Int c,Int d){return a*d-b*c;};

  auto check=
    [&](){
      Int xs[3],ys[3],c=0;
      for(Int i=0;i<h;i++)
	for(Int j=0;j<w;j++)
	  if(s[i][j]=='*') ys[c]=i,xs[c]=j,c++;
      Int dx1=xs[1]-xs[0],dx2=xs[2]-xs[1];
      Int dy1=ys[1]-ys[0],dy2=ys[2]-ys[1];
      //cout<<dx1<<" "<<dy1<<":"<<dx2<<" "<<dy2<<endl;
      //cout<<cross(dx1,dy1,dx2,dy2)<<endl;
      if(cross(dx1,dy1,dx2,dy2)==0) return;
      for(Int i=0;i<h;i++) cout<<s[i]<<endl;
      exit(0);
    };

  for(Int i=0;i<h;i++)
    for(Int j=0;j<w;j++)
      if(s[i][j]=='-') s[i][j]='*',check(),s[i][j]='-';
  
  return 0;
}