#include <iostream>
#include <vector>

struct Point
{
    Point(int ax, int ay) : x(ax), y(ay)
    {

    }
    int x;
    int y;
};

int faire_exploser(Point const& MapSize, int power, Point const& bomb, std::vector<std::vector<short> >& mat, Point const& player)
{
    for(int y = std::max(0, bomb.y - power) ; y < std::min(MapSize.y, bomb.y + power) ; ++y)
    {
        if(player.y == y && player.x == bomb.x)
            return 1;
        if(mat[y][bomb.x] > 0 && y != bomb.y)
        {
            Point newBombPos(bomb.x, y);
            if(faire_exploser(MapSize, mat[y][bomb.x], newBombPos, mat, player))
                return 1;
        }

    }
    for(int x = std::max(0, bomb.x - power) ; x < std::min(MapSize.x, bomb.x + power) ; ++x)
    {
        if(player.y == bomb.y && player.x == x)
            return 1;
        if(mat[bomb.y][x] > 0 && x != bomb.x)
        {
            Point newBombPos(x, bomb.y);
            if(faire_exploser(MapSize, mat[bomb.y][x], newBombPos, mat, player))
                return 1;
        }
    }
    return 0;
}

int armageddon(Point const& MapSize, Point const& player, Point const& bomb, std::vector<std::vector<short> >& mat)
{
    int _Ret = faire_exploser(MapSize, mat[bomb.x][bomb.y], bomb, mat, player);
    return _Ret;
}

int main()
{
    int n;
    int m;
    Point PlayerPos(0, 0), BombPos(0, 0);
    std::vector<std::vector<short> > mat;

    std::cin >> n;
    std::cin.ignore();
    std::cin >> m;
    std::cin.ignore();
    std::cin >> PlayerPos.x >> PlayerPos.y;
    std::cin.ignore();

    std::cin >> BombPos.x >> BombPos.y ;
    std::cin.ignore();

    mat.resize(n);
    for(int _l = 0; _l < n; ++_l)
        mat[_l].resize(m);

    for(int _l = 0; _l < n; ++_l)
        for(int _c = 0; _c < m; ++_c)
            std::cin >> mat[_l][_c];

    Point MapSize(n, m);

    int _ret = armageddon(MapSize, PlayerPos, BombPos, mat);
    std::cout << _ret << std::endl;

    return 0;

}