import heapq

N, V, Ox, Oy = map(int, input().split())
Ox -= 1
Oy -= 1
L = [[int(j) for j in input().split()] for i in range(N)]
already = [[False for i in range(N)] for j in range(N)]
already[0][0] = True

queue = []
heapq.heappush(queue, (L[0][0], 0, 0))

course = [(0, 1), (1, 0), (-1, 0), (0, -1)]
s = 0
while queue:
    tmp = heapq.heappop(queue)
    for i in course:
        y, x = tmp[1] + i[0], tmp[2] + i[1] 
        if x < 0 or y < 0 or x >= N or y >= N:
            continue
        if already[y][x]:
            continue

        if (v := tmp[0] + L[y][x]) >= V:
            continue

        already[y][x] = True
        heapq.heappush(queue, (v, y, x))
        if y == Oy and x == Ox:
            s = v

if already[N - 1][N - 1]:
    print('YES')
    exit()

if (Ox == -1 and Oy == -1) or not already[Oy][Ox]:
    print('NO')
    exit()

already = [[False for i in range(N)] for j in range(N)]

s -= V - s
heapq.heappush(queue, (s, Oy, Ox))

while queue:
    tmp = heapq.heappop(queue)
    print(tmp)
    for i in course:
        y, x = tmp[1] + i[0], tmp[2] + i[1] 
        if x < 0 or y < 0 or x >= N or y >= N:
            continue
        if already[y][x]:
            continue
        
        if (v := tmp[0] + L[y][x]) >= V:
            continue
        
        already[y][x] = True
        heapq.heappush(queue, (v, y, x))

if already[N - 1][N - 1]:
    print('YES')
else:
    print('NO')