/* _ _ ___ __ ___ ___ _ _ ___ __ ___ _ _ ___ ___ __ _____ _ _ ___ */
/* | || | /_\ \ / / / __|/ _ \| \| |/ __| \ \ / /_\ | | | |/ _ \ / __| \ \ / / _ \| \| |/ __| */
/* | __ |/ _ \ V / \__ \ (_) | .` | (_ | \ V / _ \ | |_| | (_) | (__ \ V / (_) | .` | (_ | */
/* |_||_/_/_\_\_|___|___/\___/|_|\_|\___| \_/_/_\_\ _\___/ \___/ \___| _ \_/_\___/|_|\_|\___| ___ */
/* | \| __| |_ _| || | /_\ \ / / | \ / _ \_ _| | \/ | __| \| | || | | \/ |/ _ \| \| |/ __| */
/* | |) | _| | | | __ |/ _ \ V / | |) | (_) | | | |\/| | _|| .` | __ | | |\/| | (_) | .` | (_ | */
/* |___/|___| |_| |_||_/_/ \_\_| |___/ \___/___| |_| |_|___|_|\_|_||_| |_| |_|\___/|_|\_|\___| */
#include <bits/stdc++.h>
using namespace std;
int a[109][109];
int main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL); cout.tie(NULL);
int n,m; cin >> n >> m;
for (int i = 1; i <= n; ++i) {
for (int j = 1; j <= m; ++j) {
char x; cin >> x;
a[i][j]=x=='#';
}
}
for (int i = 1; i <= n; ++i) {
for (int j = 1; j <= m; ++j) {
if (a[i][j]==1) {
if (a[i+1][j]==0) a[i+1][j]=2;
if (a[i+1][j+1]==0) a[i+1][j+1]=2;
if (a[i][j+1]==0) a[i][j+1]=2;
}
}
}
for (int i = 1; i <= n; ++i) {
for (int j = 1; j <= m; ++j) {
if (a[i][j]) {
cout << "#";
} else cout << ".";
}
cout << "\n";
}
return 0;
}
