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

position_list = [[-float("inf") for i in range(N)] for j in range(N)]


def solve(i, j, v):

    position_list[i][j] = v
    if v <= 0:
        return 0
    if i == j == N - 1:
        print("Yes")
        exit()
    if i == Oy - 1 and j == Ox - 1:
        v *= 2

    if i != 0 and position_list[i - 1][j] < v - L_list[i - 1][j]:
        solve(i - 1, j, v - L_list[i - 1][j])
    if i != N - 1 and position_list[i + 1][j] < v - L_list[i + 1][j]:
        solve(i + 1, j, v - L_list[i + 1][j])
    if j != 0 and position_list[i][j - 1] < v - L_list[i][j - 1]:
        solve(i, j - 1, v - L_list[i][j - 1])
    if j != N - 1 and position_list[i][j + 1] < v - L_list[i][j + 1]:
        solve(i, j + 1, v - L_list[i][j + 1])


solve(0, 0, V)
print("No")