#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define F first
#define S second
#define pii pair<int, int>
#define eb emplace_back
#define all(v) v.begin(), v.end()
#define rep(i, n) for (int i = 0; i < n; ++i)
#define rep3(i, l, n) for (int i = l; i < n; ++i)
#define chmax(a, b) a = (a >= b ? a : b)
#define chmin(a, b) a = (a <= b ? a : b)
#define out(a) cout << a << endl
#define outa(a, n) rep(_, n) cout << a[_] << " "; cout << endl
#define SZ(v) (int)v.size()
#define inf (int)(1e9+7)
#define abs(x) (x >= 0 ? x : -(x))
#define ceil(a, b) a / b + !!(a % b)

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    int h, w;
    cin >> h >> w;
    string str[h];
    rep(i, h) cin >> str[i];
    vector<pii> v;
    rep(i, h) rep(j, w) {
        if (str[i][j] == '*') v.eb(pii{i, j});
    }
    // rep(i, SZ(v)) out(v[i].F << " " << v[i].S);
    rep(i, h) rep(j, w) {
        if (i == v[0].F && j == v[0].S) continue;
        if (i == v[1].F && j == v[1].S) continue;
        if ((i == v[0].F && i == v[1].F) || (j == v[0].S && j == v[1].S)) continue;
        // cout << i << " " << j << endl;
        if ((i != v[0].F && i != v[1].F) && (j != v[0].S && j != v[1].S)) continue;
        str[i][j] = '*';
        rep(k, h) out(str[k]);
        return 0;
    }
}