#include <stdio.h>

int main() {
    int n, m, arr[5][5] = { 0 }, i, j, x, y;
    scanf("%d%d", &n, &m);
    for (i = 0; i < n; i++) {
        for (j = 0; j < m; j++) {
            scanf("%d", &arr[i][j]);
        }
    }
    scanf("%d%d", &x, &y);
    for (i = 0; i < n; i++) {
        for (j = 0; j < m; j++) {
            if (arr[i][j] == arr[x - 1][y - 1]) {
                printf("%d", arr[i][j]);
                break;
            }
        }
    }

    return 0;
}