#include<iostream>
#include<vector>
#include<string>
#include<algorithm>	
#include<map>
#include<set>
#include<utility>
#include<cmath>
#include<cstring>
#include<queue>
#include<stack>
#include<cstdio>
#include<sstream>
#include<iomanip>
#include<assert.h>
#include<ctime>
#include<cstdlib>
#include<numeric>
using namespace std;
typedef long long ll;
#define loop(i,a,b) for(int i=a;i<b;i++)
#define rloop(i,a,b) for(int i=a;i>b;i--)
const int inf=1e8;
const ll INF=1e16;
#define MOD 1000000007
#define mod 1000000009

int main(){
	int h,w;
	cin>>h;
	cin>>w;
	vector< vector<char> > s(h,vector<char>(w));
	int t[2][2];
	int l=0;
	loop(i,0,h){
		loop(j,0,w){
			cin>>s[i][j];
			if(s[i][j]=='*'){
				t[l][0]=i;t[l][1]=j;
				l++;
			}
		}
	}
	if(t[0][0]==t[1][0]){
		if(t[0][0]==0){
			s[1][0]='*';
		}else{
			s[0][0]='*';
		}
	}else if(t[0][1]==t[1][1]){
		if(t[0][1]==0){
			s[0][1]='*';
		}else{
			s[0][0]='*';
		}
	}else{
		s[t[0][0]][t[1][1]]='*';
	}
	loop(i,0,h){
		loop(j,0,w){
			cout<<s[i][j];
		}
		cout<<"\n";
	}
}