#include<bits/stdc++.h>

using namespace std;

int n,ha,la,hb,lb,a[100][100],sum=1;

int dx[5]={0,0,1,0,-1};

int dy[5]={0,1,0,-1,0};

bool check(int x,int y){

????return x>0&&x<=n&&y>0&&y<=n;

}

void dfs(int x,int y){

???? if(x==hb&&y==lb){

???????? cout<<"YES";

???????? exit(0);

???? }

???? for(int i=1;i<=4;i++){

???????? int tx=x+dx[i];

???????? int ty=y+dy[i];

???????? if(a[tx][ty]==0&&check(tx,ty)){

???????????? a[x][y]=1;

???????????? sum++;

???????????? a[tx][ty]=sum;

???????????? dfs(tx,ty);

???????? }

???? }

}

int main(){

???? cin>>n;

???? for(int i=1;i<=n;i++){

???????? for(int k=1;k<=n;k++){

???????? ???? cin>>a[i][k];

???????? }

???? }

???? cin>>ha>>la>>hb>>lb;

???? if(a[ha][la]==1||a[hb][lb]==1){

???????? cout<<"NO";

???????? return 0;

???? }

???? a[ha][la]=1;

???? dfs(ha,la);

???? cout<<"NO";

return 0;

}