#include <iostream>
#include <vector>
#include <algorithm>
#include <string>
#include <queue>
#include <map>
#include <functional>
using namespace std;
#define INF (int)1e7

vector<int>L;
int N, V, Ox, Oy,O;
int status[40000];
int cost[40000];

void dijkstra(int s) {
	int dir[] = { -1 * N,1,1 * N,-1 };

	for (int i = 0; i < N*N; i++) {
		status[i] = 0;
		cost[i] = INF;
	}
	cost[s] = 0;
	status[s] = 1;

	priority_queue<pair<int,int>,vector<pair<int,int>>,greater<pair<int,int>>>U;
	U.push(make_pair(cost[s],s));
	while (!U.empty()) {
		//探索が終わってない中でコスト最小の点
		int u = U.top().second; U.pop();

		if (status[u] == -1) continue;

		status[u] = -1;

		//コスト最少の点を探る
		for (int i = 0; i < 4; i++) {
			if (status[u + dir[i]] != -1 && u + dir[i] >= 0 && u + dir[i] < N*N) {
				if ((dir[i] == 1 || dir[i] == -1) && (u + dir[i]) / N != u / N)continue;
				if (cost[u + dir[i]] > cost[u] + L[u + dir[i]] && V > cost[u] + L[u + dir[i]]) {
					cost[u + dir[i]] = cost[u] + L[u + dir[i]];
					status[u + dir[i]] = 1;
					U.push(make_pair(cost[u + dir[i]], u + dir[i]));
				}
			}
		}
	}
}

int main()
{
	cin >> N >> V >> Ox >> Oy;
	Ox--; Oy--; O = Oy * N + Ox;
	bool hasOasis = O >= 0;

	L.resize(N*N);
	for (int i = 0; i < N*N; i++) {
		cin >> L[i];
	}

	dijkstra(0);

	if (cost[N*N - 1] < V) {
		cout << "YES" << endl;
		return 0;
	}
	else if(cost[O] <V && hasOasis){
		V = (V - cost[O]) * 2;

		dijkstra(O);

		if (cost[N*N - 1] < V) {
			cout << "YES" << endl;
			return 0;
		}
	}
	cout << "NO" << endl;

    return 0;
}