#include "bits/stdc++.h"
using namespace std;
#define fastcin {\
    cin.tie(0);\
    ios::sync_with_stdio(false);\
}
#define rep(i, a, b) for(int i = a; i < b; i++)
#define rrep(i, a, b) for(int i = a; i >= b; i--)
#define fore(i, a) for(auto &i:a)
#define print(x) cout << x << "\n"
#define SORT(a, n) sort(a, a+n);
#define REVERSE(a,n) reverse(a,a+n);
#define VSORT(v) sort(v.begin(), v.end());
#define VREVERSE(v) reverse(v.begin(), v.end());
#define MOD 1000000007
#define yes "YES"
#define no "NO"
typedef long long ll;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<ll> vll;

int main() {
    fastcin;
    string l;
    vector<string> vs;
    int h, w;
    cin >> h >> w;
    vector<pair<int, int> > s;
    rep(i, 0, h) {
        cin >> l;
        vs.push_back(l);
        rep(j, 0, w) {
            if(l[j]=='*') {
                s.push_back(make_pair(i, j));
            }
        }
    }
    if(s[0].first!=s[1].first) {
        if(s[0].second>0) {
            vs[s[0].first][0] = '*';
        } else {
            vs[s[0].first][1] = '*';
        }
    } else {
        if(s[0].first>0) {
            vs[0][0] = '*';
        } else {
            vs[1][0] = '*';
        }
    }
    rep(i, 0, h) {
        print(vs[i]);
    }
    return 0;
}