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import java.io.BufferedReader;

import java.io.InputStreamReader;

import java.util.ArrayList;

import java.util.Arrays;

import java.util.StringTokenizer;

public class Main {

static int[][] map;

static int R, C, N;

static void putBomb() {

for (int i = 0; i < R; i++) {

for (int j = 0; j < C; j++) {

if (map[i][j] == 0)

map[i][j] = 4;

}

}

}

static void time(boolean flag) {

ArrayList<int[]> list = new ArrayList<>();

for (int i = 0; i < R; i++) {

for (int j = 0; j < C; j++) {

if (map[i][j] > 0) {

map[i][j]--;

if (flag && map[i][j] == 0)

list.add(new int[] { i, j });

}

}

}

for (int[] xy : list) {

explode(xy[0], xy[1]);

}

}

static int[] dx = { -1, 0, 1, 0 };

static int[] dy = { 0, 1, 0, -1 };

static void explode(int x, int y) {

int nx, ny;

for (int i = 0; i < 4; i++) {

nx = x + dx[i];

ny = y + dy[i];

if (nx >= R || nx < 0 || ny >= C || ny < 0)

continue;

map[nx][ny] = 0;

}

}

public static void main(String[] args) throws Exception {

BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

StringTokenizer st = new StringTokenizer(br.readLine());

R = Integer.parseInt(st.nextToken());

C = Integer.parseInt(st.nextToken());

N = Integer.parseInt(st.nextToken());

String temp;

map = new int[R][C];

for (int i = 0; i < R; i++) {

temp = br.readLine();

for (int j = 0; j < C; j++) {

if (temp.charAt(j) == 'O')

map[i][j] = 3;

}

}

int nN=0;

if (N == 1) nN = 0;

else if(N % 2 == 0) nN = 2;

else if(N % 4 == 3) nN = 3;

else if(N % 4 == 1) nN = 4;

for (int i = 0; i < nN; i++) {

putBomb();

time(true);

// System.out.println(i);

// for (int j = 0; j < R; j++) {

// System.out.println(Arrays.toString(map[j]));

// }

}

StringBuilder sb = new StringBuilder();

for (int i = 0; i < R; i++) {

for (int j = 0; j < C; j++) {

sb.append(map[i][j] > 0 ? 'O' : '.');

}

sb.append("\n");

}

System.out.println(sb);

}

}