#include <iostream>
#include <vector>
using namespace std;

void fill(vector<vector<int>>& pixels, int y, int x, int target_color, int new_color) {
    if (y < 0 || y >= pixels.size() || x < 0 || x >= pixels[0].size()) {
        // out of bounds
        return;
    }
    if (pixels[y][x] != target_color) {
        // not the target color
        return;
    }
    pixels[y][x] = new_color;
    fill(pixels, y-1, x, target_color, new_color); // up
    fill(pixels, y+1, x, target_color, new_color); // down
    fill(pixels, y, x-1, target_color, new_color); // left
    fill(pixels, y, x+1, target_color, new_color); // right
}

int main() {
    int R, C, Y, X, K;
    cin >> R >> C;
    vector<vector<int>> pixels(R, vector<int>(C));
    for (int i = 0; i < R; i++) {
        for (int j = 0; j < C; j++) {
            cin >> pixels[i][j];
        }
    }
    cin >> Y >> X >> K;
    fill(pixels, Y, X, pixels[Y][X], K);
    for (int i = 0; i < R; i++) {
        for (int j = 0; j < C; j++) {
            cout << pixels[i][j];
        }
        cout << endl;
    }
    return 0;
}