#include "bits/stdc++.h"
using namespace std;
#define print(x) cout<<x<<endl;
#define rep(i,a,b) for(int i=a;i<b;i++)
#define REP(i,a) for(int i=0;i<a;i++)
#define printall(n,array) {for(int i=0;i<n;i++){cout<<array[i]<<" ";}cout<<endl;}
#define U() cout<<endl;

typedef long long ll;
typedef pair<int, int> PI;
typedef pair<int, PI> V;
typedef vector<int> VE;
const ll mod = 1000000007; //10^9+7

int n,v,ox,oy;
int cost[210][210];
int dist[210][210];
int dx[4]={1,0,-1,0};
int dy[4]={0,1,0,-1};

void diskstra(int y,int x){
  REP(i,n)REP(j,n)dist[i][j]=mod;
  priority_queue<V,vector<V>,greater<V> >que;
  que.push(make_pair(cost[y][x],make_pair(y,x)));
  dist[y][x]=cost[y][x];
  while(!que.empty()){
    auto c=que.top().first;
    auto now=que.top().second;
    que.pop();

    REP(i,4){
      int ny=now.first+dy[i];
      int nx=now.second+dx[i];
      if(ny<0||ny>=n||nx<0||nx>=n)continue;
      if(dist[ny][nx]<=c+cost[ny][nx])continue;
      dist[ny][nx]=c+cost[ny][nx];
      que.push(make_pair(dist[ny][nx],make_pair(ny,nx)));
    }
  }
}


int main(){
  cin>>n>>v>>ox>>oy;
  ox--;oy--;
  REP(i,n)REP(j,n)cin>>cost[j][i];
  diskstra(0,0);
  if(dist[n-1][n-1]<v){print("YES");return 0;}
  if((ox==-1&&oy==-1)||dist[oy][ox]>=v){print("NO");return 0;}
  //REP(i,n){REP(j,n)cout<<dist[j][i]<<" ";cout<<endl;}///
  v=(v-dist[oy][ox])*2;
  diskstra(oy,ox);
  if(dist[n-1][n-1]<v){print("YES");return 0;}
  print("NO");return 0;
}