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)]

memo = [[0 for i in range(N)] for j in range(N)]
memo[0][0] = V
course = [(1, 0), (0, 1), (-1, 0), (0, -1)]

stack = [(0, 0, V, True)]

while stack:
    tmp = stack.pop()
    for i in course:
        y, x = tmp[0] + i[0], tmp[1] - i[1]
        if x < 0 or x >= N or y < 0 or y >= N:
            continue

        v = tmp[2] - L[y][x]
        
        if v <= memo[y][x]:
            continue

        if x == N - 1 and y == N - 1:
            print('YES')
            exit()

        if y == Oy and x == Ox and tmp[-1]:
            memo[y][x] = v * 2
            stack.append((y, x, memo[y][x], False))
            
        else:
            memo[y][x] = v
            a = tmp[-1]
            stack.append((y, x, memo[y][x], a))
        
print('NO')