import java.math.BigInteger;
import java.util.*;
 
class pair implements Comparable{
	int x;
	int y;
	int cost;
	pair(int x,int y,int cost){
		this.x=x;
		this.y=y;
		this.cost=cost;
	}
	@Override
	public int compareTo(Object o) {
		// TODO Auto-generated method stub
		pair aaa=(pair)o;
		return this.cost-aaa.cost;
	}
}
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int[] vx ={1,0,-1,0};
        int[] vy= {0,1,0,-1};
        int n=sc.nextInt();
        int hp=sc.nextInt();
        int ox=sc.nextInt();
        int oy=sc.nextInt();
        int[][] edge = new int[n+1][n+1];
        for(int i=1;i<=n;i++){
        	for(int j=1;j<=n;j++){
        		edge[i][j]=sc.nextInt();
        	}
        }
        PriorityQueue<pair> queue = new PriorityQueue<pair>();
        int[][] dp = new int[n+1][n+1];
        for(int i=1;i<=n;i++){
        	Arrays.fill(dp[i], Integer.MAX_VALUE);
        }
        dp[1][1]=0;
        queue.add(new pair(1,1,0));
        while(!queue.isEmpty()){
        	pair temp =queue.poll();
        	if(dp[temp.x][temp.y]<temp.cost) continue;
        	for(int i=0;i<4;i++){
        		if(temp.x+vx[i]<1||temp.x+vx[i]>n||temp.y+vy[i]<1||temp.y+vy[i]>n) continue;
        		int costt = edge[temp.x+vx[i]][temp.y+vy[i]];
        		if(dp[temp.x+vx[i]][temp.y+vy[i]]>dp[temp.x][temp.y]+costt){
        			dp[temp.x+vx[i]][temp.y+vy[i]]=dp[temp.x][temp.y]+costt;
        			queue.add(new pair(temp.x+vx[i],temp.y+vy[i],dp[temp.x+vx[i]][temp.y+vy[i]]));
        		}
        	}
        }
        if(ox!=0&&oy!=0){
        	int[][] dpp = new int[n+1][n+1];
        	for(int i=1;i<=n;i++){
            	Arrays.fill(dpp[i], Integer.MAX_VALUE);
            }
            dpp[ox][oy]=0;
            queue.add(new pair(ox,oy,0));
            while(!queue.isEmpty()){
            	pair temp =queue.poll();
            	if(dpp[temp.x][temp.y]<temp.cost) continue;
            	for(int i=0;i<4;i++){
            		if(temp.x+vx[i]<1||temp.x+vx[i]>n||temp.y+vy[i]<1||temp.y+vy[i]>n) continue;
            		int costt = edge[temp.x+vx[i]][temp.y+vy[i]];
            		if(dpp[temp.x+vx[i]][temp.y+vy[i]]>dpp[temp.x][temp.y]+costt){
            			dpp[temp.x+vx[i]][temp.y+vy[i]]=dpp[temp.x][temp.y]+costt;
            			queue.add(new pair(temp.x+vx[i],temp.y+vy[i],dpp[temp.x+vx[i]][temp.y+vy[i]]));
            		}
            	}
            }
            if(dp[n][n]<hp){
            	System.out.println("YES");
            	return;
            }else{
            	if( (hp-dp[ox][oy])*2>dpp[n][n]){
            		System.out.println("YES");
            		return;
            	}
            	System.out.println("NO");
            }
        }
        else{
        	if(dp[n][n]<hp){
        		System.out.println("YES");
        		return;
        	}else{
        		System.out.println("NO");
        		return;
        	}
        }
    }
}