import sys,heapq
input=lambda:sys.stdin.readline().rstrip()
class node:
    def __init__(self,con):
        self.con=con
class directedWeightedGraph:
    def __init__(self,N,edges=[]):
        self.N=N
        self.nodes=[node([]) for i in range(N)]
        for i in edges:
            self.nodes[i[0]].append(i[1:])
    def connect(self,f,t,weight=0):
        self.nodes[f].con.append([t,weight])
    def dijkstra(self,start):
        ans=[float('inf') for i in range(self.N)]
        watch=[]
        heapq.heappush(watch, [0,start])
        while watch:
            cur=heapq.heappop(watch)
            if ans[cur[1]]==float('inf'):
                ans[cur[1]]=cur[0]
                for i in self.nodes[cur[1]].con:
                    heapq.heappush(watch,[i[1]+ans[cur[1]],i[0]])
        return ans
O=[]
N,V,*O=map(int,input().split())
O[0]-=1
O[1]-=1
L=[list(map(int,input().split())) for i in range(N)]
G=directedWeightedGraph(N**2)
for i in range(N-1):
	for j in range(N):
		G.connect(i*N+j,i*N+j+N,L[i+1][j])
		G.connect(i*N+j+N,i*N+j,L[i][j])
		G.connect(j*N+i+1,j*N+i,L[j][i])
		G.connect(j*N+i,j*N+i+1,L[j][i+1])
A=G.dijkstra(0)
if A[N**2-1]<V:
	print('YES')
elif O[0]>-1 and V>A[O[0]*N+O[1]]:
	print(['NO','YES'][G.dijkstra(N**2-1)[O[0]*N+O[1]]<(V-A[O[0]*N+O[1]])*2])
else:
	print('NO')