#include <bits/stdc++.h>
#define INF 10000000
using namespace std;
int dp[200][200];
int N, V;
int L[200][200];
int Ox, Oy;
void recursive(int y, int x, int life) {
	if(dp[y][x] >= life) return;
	dp[y][x] = life;
	int d[4][2] = {{1,0}, {-1, 0}, {0, 1}, {0, -1}};
	int ky, kx;
	int retval = 0;
	for(int i = 0; i < 4; i++) {
		ky = y + d[i][0], kx = x + d[i][1];
		if(ky < 0 || N <= ky || kx < 0 || N <= kx) continue;
		recursive(ky, kx, life - L[ky][kx]);
	}
}
int main() {
	cin >> N >> V >> Ox >> Oy;
	Oy--, Ox--;
	for(int i = 0; i < N; i++) {
		for(int j = 0; j < N; j++) {
			cin >> L[i][j];
			dp[i][j] = 0;
		}
	}
	recursive(0, 0, V);
	if(dp[Oy][Ox] > 0) recursive(Oy, Ox, 2 * dp[Oy][Ox]);
	if(dp[N - 1][N - 1] > 0) cout << "YES" << endl;
	else cout << "NO" << endl;
	return 0;
}