#include <bits/stdc++.h>
using namespace std;

#define _p(...) (void)printf(__VA_ARGS__)
#define forr(x,arr) for(auto&& x:arr)
#define _overload3(_1,_2,_3,name,...) name
#define _rep2(i,n) _rep3(i,0,n)
#define _rep3(i,a,b) for(int i=int(a);i<int(b);++i)
#define rep(...) _overload3(__VA_ARGS__,_rep3,_rep2,)(__VA_ARGS__)
#define _rrep2(i,n) _rrep3(i,0,n)
#define _rrep3(i,a,b) for(int i=int(b)-1;i>=int(a);i--)
#define rrep(...) _overload3(__VA_ARGS__,_rrep3,_rrep2,)(__VA_ARGS__)
#define all(x) (x).begin(), (x).end()
#define bit(n) (1LL<<(n))
#define sz(x) ((int)(x).size())
#define fst first
#define snd second
#define Y first
#define X second
using ll=long long;using pii=pair<int,int>;
using vb=vector<bool>;using vs=vector<string>;
using vi=vector<int>;using vvi=vector<vi>;using vvvi=vector<vvi>;
using vl=vector<ll>;using vvl=vector<vl>;using vvvl=vector<vvl>;
using vd=vector<double>;using vvd=vector<vd>;using vvvd=vector<vvd>;
using vpii=vector<pii>;using vvpii=vector<vpii>;using vvvpii=vector<vvpii>;
template<typename T>T read(){T t;cin>>t;return t;}
template<class T,class U>ostream&operator<<(ostream&o,const pair<T,U>&p){o<<'('<<p.fst<<", "<<p.snd<<')';return o;}

void Main() {
  int H = read<int>();
  int W = read<int>();
  vs S(H);
  vpii ss;
  rep(y, H) {
    S[y] = read<string>();
    rep(x, W) {
      if (S[y][x] == '*') ss.emplace_back(y, x);
    }
  }

  int x, y;
  if (ss[0].Y == ss[1].Y) {
    y = (ss[0].Y ? ss[0].Y - 1 : ss[0].Y + 1);
    x = ss[0].X;
  }
  else if (ss[0].X == ss[1].X) {
    x = (ss[0].X ? ss[0].X - 1 : ss[0].X + 1);
    y = ss[0].Y;
  }
  else {
    y = ss[0].Y;
    x = ss[1].X;
  }

  S[y][x] = '*';

  forr(s, S) {
    cout << s << endl;
  }
}
int main() { cin.tie(nullptr); ios::sync_with_stdio(false); Main(); return 0; }