#include <iostream>
using namespace std;
int dx[8] = {-1,0,1,-1,1,-1,0,1};
int dy[8] = {-1,-1,-1,0,0,1,1,1};

int main() {
    int arr[9][9];
    int r,c;
    for (int i = 0;i < 9;i++) {
        for (int j = 0;j < 9;j++) {
            cin >> arr[i][j];
        }
    }
    cin >> r >> c;
    if (arr[r][c] == 1) {
        cout << -1;
        return 0;
    }
    int cnt = 0;
    for (int i = 0;i < 8;i++) {
        if (arr[r+dy[i]][c+dx]) {
            cnt++;
        }
    }
    cout << cnt;
    return 0;
}