#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
typedef vector<int> VI;
typedef vector<VI> VVI;
typedef vector<ll> VL;
typedef vector<VL> VVL;
typedef pair<int, int> PII;

#define FOR(i, a, n) for (ll i = (ll)a; i < (ll)n; ++i)
#define REP(i, n) FOR(i, 0, n)
#define ALL(x) x.begin(), x.end()
#define MOD 1000000007
#define INF (1LL<<25)     //33554432
#define PI 3.14159265359
#define EPS 1e-12
//#define int ll

signed main(void)
{
  int h, w;
  cin >> h >> w;
  string s[105];
  REP(i, h) cin >> s[i];

  VI x, y;
  REP(i, h) REP(j, w) {
    if(s[i][j] == '*') {
      x.push_back(j);
      y.push_back(i);
    }
  }

  int a, b;
  if(x[0] == x[1]) {
    if(x[0] == w-1) {
      b = x[0]-1;
    } else {
      b = x[0] + 1;
    }
    a = y[0];
  } else {
    if(y[0] == h-1) {
      a = y[0] - 1;
    } else {
      a = y[0] + 1;
    }
    b = x[0];
  }

  s[a][b] = '*';
  REP(i, h) {
    cout << s[i] << endl;
  }

  return 0;
}