#include <bits/stdc++.h>
using namespace std;
const int INF = 100000;
vector<int> dy = {1, 0, -1, 0};
vector<int> dx = {0, 1, 0, -1};
int main(){
  int N, V, Ox, Oy;
  cin >> N >> V >> Ox >> Oy;
  Ox--;
  Oy--;
  vector<vector<int>> L(N, vector<int>(N));
  for (int i = 0; i < N; i++){
    for (int j = 0; j < N; j++){
      cin >> L[i][j];
    }
  }
  vector<vector<int>> S1(N, vector<int>(N, INF));
  priority_queue<tuple<int, int, int>, vector<tuple<int, int, int>>, greater<tuple<int, int, int>>> pq1;
  pq1.push(make_tuple(L[0][0], 0, 0));
  while (!pq1.empty()){
    int c = get<0>(pq1.top());
    int y = get<1>(pq1.top());
    int x = get<2>(pq1.top());
    pq1.pop();
    if (S1[y][x] == INF){
      S1[y][x] = c;
      for (int i = 0; i < 4; i++){
        int y2 = y + dy[i];
        int x2 = x + dx[i];
        if (0 <= y2 && y2 < N && 0 <= x2 && x2 < N){
          if (S1[y2][x2] == INF){
            pq1.push(make_tuple(c + L[y2][x2], y2, x2));
          }
        }
      }
    }
  }
  if (Ox == -1 && Oy == -1){
    if (S1[N - 1][N - 1] < V){
      cout << "YES" << endl;
    } else {
      cout << "NO" << endl;
    }
  } else {
    if (S1[N - 1][N - 1] < V){
      cout << "YES" << endl;
    } else if (S1[Oy][Ox] >= V){
      cout << "NO" << endl;
    } else {
      vector<vector<int>> S2(N, vector<int>(N, INF));
      priority_queue<tuple<int, int, int>, vector<tuple<int, int, int>>, greater<tuple<int, int, int>>> pq2;
      pq2.push(make_tuple(0, Oy, Ox));
      while (!pq2.empty()){
        int c = get<0>(pq2.top());
        int y = get<1>(pq2.top());
        int x = get<2>(pq2.top());
        pq2.pop();
        if (S2[y][x] == INF){
          S2[y][x] = c;
          for (int i = 0; i < 4; i++){
            int y2 = y + dy[i];
            int x2 = x + dx[i];
            if (0 <= y2 && y2 < N && 0 <= x2 && x2 < N){
              if (S2[y2][x2] == INF){
                pq2.push(make_tuple(c + L[y2][x2], y2, x2));
              }
            }
          }
        }
      }
      if (S2[N - 1][N - 1] <= (V - S1[Oy][Ox]) * 2){
        cout << "YES" << endl;
      } else {
        cout << "NO" << endl;
      }
    }
  }
}