import sys
import heapq

input = sys.stdin.readline


def main():
    N, V, Ox, Oy = map(int, input().split())
    L = [list(map(int, input().split())) for i in range(N)]

    vis = [[[False]*N for i in range(N)] for i in range(2)]
    Q = [(-V, 0, 0, False)]

    while len(Q) > 0:
        hp, r, c, oa = heapq.heappop(Q)
        hp = -hp
        if vis[1 if oa else 0][r][c]:
            continue
        if r == c == N-1:
            print('YES')
            return
        vis[1 if oa else 0][r][c] = True
        for dx, dy in [(-1, 0), (1, 0), (0, -1), (0, 1)]:
            nr, nc = r + dx, c + dy
            if 0 <= nr < N and 0 <= nc < N:
                nhp = hp - L[nr][nc]
                if nhp > 0:
                    noa = oa
                    if not oa and (nr, nc) == (Oy-1, Ox-1):
                        noa = True
                        nhp *= 2
                    heapq.heappush(Q, (-nhp, nr, nc, noa))
    print('NO')


if __name__ == '__main__':
    main()