#include <iostream>
#include <string>
#include <vector>
using namespace std;
int main(int argc, char* argv[])
{
	int H,W;
	cin>>H>>W;
	vector<string> S(H);
	int i,j,k=0;
	int x[3],y[3];
	for (i=0;i<H;i++){
		cin>>S[i];
		for (j=0;j<S[i].length();j++){
			if (S[i][j]=='*'){
				x[k]=i;
				y[k++]=j;
			}
		}
	}
	if (x[0]==x[1]){
		if (x[0]<H-1){
			x[2]=H-1;
		}else{
			x[2]=0;
		}
		y[2]=y[0];
	}else if (y[0]==y[1]){
		if (y[0]<W-1){
			y[2]=W-1;
		}else{
			y[2]=0;
		}
		x[2]=x[0];			
	}else{
		x[2]=x[0];
		y[2]=y[1];

	}
	S[x[2]][y[2]]='*';
	for (i=0;i<H;i++){
		cout<<S[i]<<endl;
	}
	return 0;
}