#include <iostream>
#include <string>
#include <vector>
using namespace std;

vector<pair<int,int>> calcLine(int h,int w,int x1,int y1,int x2,int y2){
  vector<pair<int,int>> vp;
  if(x1>x2){
    int xt=x2;
    x2=x1;
    x1=xt;
    int yt=y2;
    y2=y1;
    y1=yt;
  }
  if(x1==x2){
    for(int i=0;i<h;++i){
      if(i!=y1 && i!=y2) vp.push_back(make_pair(x1,i));
    }
  } else if(y1==y2){
    for(int i=0;i<w;++i){
      if(i!=x1 && i!=x2) vp.push_back(make_pair(i,y1));
    }
  } else {
    double a=(y2-y1)/(x2-x1);
    double b=y1-(a*x1);
    for(int i=0;i<w;++i){
      double c=a*i+b;
      int d=(int)c;
      double e=c-d;
      if(e==0 && e<h){
        vp.push_back(make_pair(i,e));
      }
    }
  }
  return vp;
}

int main() {
  int h,w;
  cin>>h>>w;
  int x1=-1,y1=-1,x2=-1,y2=-1;
  for(int i=0;i<h;++i){
    string s;
    cin>>s;
    for(int j=0;j<s.size();++j){
      if(s[j]=='*' && x1==-1){
        x1=j;
        y1=i;
      } else if(s[j]=='*' && x1!=-1){
        x2=j;
        y2=i;
        break;
      }
    }
  }
  vector<pair<int,int>> vp=calcLine(h,w,x1,y1,x2,y2);
  vector<vector<int>> vv(h,vector<int>(w));
  vv[y1][x1]=1;
  vv[y2][x2]=1;
  for(int i=0;i<vp.size();++i){
    if(vv[vp[i].second][vp[i].first]!=1) vv[vp[i].second][vp[i].first]=-1;
  }
  int f=0;
  for(int i=0;i<h;++i){
    for(int j=0;j<w;++j){
      if(vv[i][j]==1){
        cout<<"*";
      } else if(vv[i][j]==-1){
        cout<<"-";
      } else if(f==0){
        cout<<"*";
        f=1;
      } else {
        cout<<"-";
      }
    }
    cout<<endl;
  }
}