mod = 1000000007
eps = 10**-9


def main():
    import sys
    input = sys.stdin.readline
    import heapq

    def dijkstra(adj, start):
        # adj: [[to, cost] * vertices], 0th index must be empty
        inf = 1 << 60
        dist = [inf] * len(adj)
        dist[start] = 0
        q = []
        heapq.heappush(q, (0, start))
        while q:
            min_dist, v_from = heapq.heappop(q)
            if min_dist > dist[v_from]:
                continue
            v_tos = adj[v_from]
            for v_to, cost in v_tos:
                if min_dist + cost < dist[v_to]:
                    dist[v_to] = min_dist + cost
                    heapq.heappush(q, (dist[v_to], v_to))
        return dist

    H, W = map(int, input().split())
    U, D, R, L, K, P = map(int, input().split())
    adj = [[] for _ in range(H * W + 1)]
    hs, ws, ht, wt = map(int, input().split())
    grid = []
    for _ in range(H):
        grid.append(input().rstrip('\n'))

    for h in range(H):
        for w in range(W-1):
            hw = h*W + w + 1
            # R
            if grid[h][w+1] == ".":
                adj[hw].append((hw+1, R))
            elif grid[h][w+1] == "@":
                adj[hw].append((hw+1, R+P))
            # L
            if grid[h][w] == ".":
                adj[hw+1].append((hw, L))
            elif grid[h][w] == "@":
                adj[hw+1].append((hw, L+P))

    for w in range(W):
        for h in range(H-1):
            hw = h*W + w + 1
            # D
            if grid[h + 1][w] == ".":
                adj[hw].append((hw + W, D))
            elif grid[h + 1][w] == "@":
                adj[hw].append((hw + W, D + P))
            # U
            if grid[h][w] == ".":
                adj[hw + W].append((hw, U))
            elif grid[h][w] == "@":
                adj[hw + W].append((hw, U + P))

    hs -= 1
    ht -= 1
    ws -= 1
    wt -= 1
    hw_s = hs*W + ws + 1
    hw_t = ht*W + wt + 1
    ans = dijkstra(adj, hw_s)[hw_t]
    if ans <= K:
        print("Yes")
    else:
        print("No")


if __name__ == '__main__':
    main()