import java.util.Arrays;
import java.util.PriorityQueue;
import java.util.Scanner;

/**
 * yukicoder no.20
 * @author scache
 *
 */
public class OasisInDesert {
	public static void main(String[] args) {
		OasisInDesert p = new OasisInDesert();
	}

	public OasisInDesert() {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int v = sc.nextInt();
		int oy = sc.nextInt()-1;
		int ox = sc.nextInt()-1;
		Point[][] map = new Point[n][n];
		for(int i=0;i<n;i++){
			for(int j=0;j<n;j++){
				map[i][j] = new Point(i,j,sc.nextInt());
			}
		}
		
//		long s = System.currentTimeMillis();
		solve(v, ox, oy, map);
//		long e= System.currentTimeMillis();
//		System.out.println((e-s)/1000.0 + "s");
	}

	public void solve(int v, int ox, int oy, Point[][] map) {
		int distance = dijstra(map, 0, 0, map.length-1, map.length-1);
		if(v>distance){
			System.out.println("YES");
			return;
		}
		
		if(ox<0 && oy<0){
			System.out.println("NO");
			return;
		}
		
		int oDistance = dijstra(map, 0, 0, ox, oy);
		int gDistance = dijstra(map, ox, oy, map.length-1, map.length-1);
		if( (v-oDistance)*2>gDistance){
			System.out.println("YES");
			return;
		}
	
		System.out.println("NO");
		
	}
	
	int[] dx = {-1, 0, 1, 0};
	int[] dy = {0, -1, 0, 1};
	private int dijstra(Point[][] map, int sx, int sy, int tx, int ty){
		PriorityQueue<Point> queue = new PriorityQueue<Point>();
		int[][] distances = new int[map.length][map.length];
		for(int i=0;i<distances.length;i++)
			Arrays.fill(distances[i], Integer.MAX_VALUE);
		
		distances[sx][sy] = 0;
		queue.offer(new Point(sx, sy, 0));
		while(!queue.isEmpty()){
			Point p = queue.poll();
			
			if(distances[p.x][p.y]<p.d)
				continue;
			
			for(int i=0;i<4;i++){
				int nx = p.x+dx[i];
				int ny = p.y+dy[i];
				if(0<=nx && nx<map.length && 0<=ny && ny<map.length){
					if(distances[nx][ny] > distances[p.x][p.y] + map[nx][ny].d){
						distances[nx][ny] = distances[p.x][p.y] + map[nx][ny].d;
						queue.offer(new Point(nx, ny, distances[nx][ny]));
					}
				}
			}
			
		}
		return distances[tx][ty];
	}
	
	private class Point implements Comparable<Point>{
		public int x;
		public int y;
		public int d;
		
		public Point(int x, int y, int d){
			this.x = x;
			this.y = y;
			this.d = d;
		}

		@Override
		public int compareTo(Point arg0) {
			return d-arg0.d;
		}
	}

}