import heapq
import sys
#ダイクストラ法
N,V,ox,oy = map(int,input().split())
ox -= 1
oy -= 1
lsL = [list(map(int,input().split())) for i in range(N)]
dxy =[(1,0),(0,1),(-1,0),(0,-1)]
#オアシスを通らない場合
lsHP = [[-float('INF')]*(N) for i in range(N)]
lsHP[0][0] = V
used = [[False]*(N) for i in range(N)]
h = [(-V,0,0)]
heapq.heapify(h)
while h:
    cost,x,y = heapq.heappop(h)
    if used[x][y]:
        continue
    used[x][y] = True
    for dx,dy in dxy:
        if 0<=x+dx<N and 0<=y+dy<N:
            if used[x+dx][y+dy]:
                continue
            if (lsHP[x][y] - lsL[x+dx][y+dy]) < 0:
                continue
            if lsHP[x+dx][y+dy] < (lsHP[x][y] - lsL[x+dx][y+dy]):
                lsHP[x+dx][y+dy] = (lsHP[x][y] - lsL[x+dx][y+dy])
                heapq.heappush(h,(-lsHP[x+dx][y+dy],x+dx,y+dy))
if lsHP[-1][-1] > 0:
    print('YES')
    sys.exit()
if ox != -1 and oy != -1:
    #オアシスを通る場合
    lsHP2 = [[-float('INF')]*(N) for i in range(N)]
    lsHP2[ox][oy] = lsHP[ox][oy]*2
    used = [[False]*(N) for i in range(N)]
    h = [(-lsHP[ox][oy],ox,oy)]
    heapq.heapify(h)
    while h:
        cost,x,y = heapq.heappop(h)
        if used[x][y]:
            continue
        used[x][y] = True
        for dx,dy in dxy:
            if 0<=x+dx<N and 0<=y+dy<N:
                if used[x+dx][y+dy]:
                    continue
                if (lsHP2[x][y] - lsL[x+dx][y+dy]) < 0:
                    continue
                if lsHP2[x+dx][y+dy] < (lsHP2[x][y] - lsL[x+dx][y+dy]):
                    lsHP2[x+dx][y+dy] = (lsHP2[x][y] - lsL[x+dx][y+dy])
                    heapq.heappush(h,(-lsHP2[x+dx][y+dy],x+dx,y+dy))
    if lsHP2[-1][-1] > 0:
        print('YES')
    else:
        print('NO')
else:
    print('NO')