#include <stdio.h>
#include <stdlib.h>
#include <string.h>



int neighbour_sum(int grid[10][10], int rows, int cols, int r, int c) {
    // TODO: implement this function
    return 0;
}


int main(void) {
    int rows, cols;
    if (scanf("%d %d", &rows, &cols) != 2) { return 0; }
    int grid[10][10];
    for (int i = 0; i < rows; i++) {
        for (int j = 0; j < cols; j++) { scanf("%d", &grid[i][j]); }
    }
    int r, c;
    if (scanf("%d %d", &r, &c) != 2) { return 0; }
    printf("%d\n", neighbour_sum(grid, rows, cols, r, c));
    return 0;
}