#include "bits/stdc++.h"
#include <gmp.h>
using namespace std;

typedef long long ll;
typedef unsigned long long ull;
typedef vector<int> veci;
typedef vector<string> vecs;
template<class T,class U> using Hash=unordered_map<T,U>;

#define REP(i, a, n) for(ll i = a; i < n; i++)
#define RREP(i, a, n) for(ll i = n-1; i >= a; i--)
#define rep(i, n) REP(i, 0, n)
#define rrep(i, n) RREP(i, 0, n)
#define MD 1000000007

template<class T> T read(){T a;cin >> a;return a;}
template<class T> void read(T& a){cin >> a;}
template<class T> void rarr(T a, int n){for(int i = 0; i < n; i++) {cin >> a[i];}}
template<class T> void write(T a){cout << a << endl;}
template<class T> void writes(vector<T> a, const char* c = " "){cout << a[0];for(int i = 1; i < (int)a.size(); i++)cout << c << a[i];cout << endl;;}
void write(double a){cout << fixed << setprecision(12) << a << endl;}
void write(long double a){cout << fixed << setprecision(12) << a << endl;}
template<class T> void warr(T a, int n, const char* c = " "){cout << a[0];for(int i = 1; i < n; i++)cout << c << a[i];cout << endl;}
void split(string s, string delim, veci& result){result.clear();string::size_type pos = 0;while(pos != string::npos){string::size_type p = s.find(delim, pos);if(p == string::npos){result.push_back(atoi(s.substr(pos).data()));break;}else {result.push_back(atoi(s.substr(pos, p - pos).data()));}pos = p + delim.size();}}
void split(string s, string delim, vecs& result){result.clear();string::size_type pos = 0;while(pos != string::npos){string::size_type p = s.find(delim, pos);if(p == string::npos){result.push_back(s.substr(pos));break;}else {result.push_back(s.substr(pos, p - pos));}pos = p + delim.size();}}
ll gcd(ll a, ll b){while(true){ll k = a % b;if(k == 0)return b;a = b;b = k;}}
ll comb(ll n, ll m){ll p=1;m=min(m,n-m);for(ll i=1;i<=m;i++){p*=n-i+1;p/=i;}return p;}

struct Info{
    Info(int x_,int y_,int v_,bool o_):x(x_),y(y_),v(v_),ovis(o_){}
    int x,y;
    int v=0;
    bool ovis=false;
};

int dx[]={1,0,-1,0};
int dy[]={0,1,0,-1};

int main(void)
{
    int n,v,ox,oy;
    int lv[200][200];
    int mp[200][200][2]={0};
    cin>>n>>v>>ox>>oy;
    ox--;oy--;
    rep(i,n)rep(j,n)cin>>lv[i][j];
    queue<Info> q;
    mp[0][0][0]=v;
    q.push(Info(0,0,v,false));
    while(!q.empty()){
        Info t=q.front();
        if(t.x==n-1&&t.y==n-1){
            write("YES");
            return 0;
        }
        q.pop();
        rep(i,4){
            int cx=t.x+dx[i];
            int cy=t.y+dy[i];
            if(cx<0||cy<0||cx>=n||cy>=n)continue;
            int cv=t.v-lv[cy][cx];
            if(cx==ox&&cy==oy&&!t.ovis){
                cv*=2;
                t.ovis=true;
            }
            if(cv<=0||cv<=mp[cy][cx][t.ovis])continue;
            mp[cy][cx][t.ovis]=cv;
            q.push(Info(cx,cy,cv,t.ovis));
        }
    }
    write("NO");
    return 0;
}