h,w = map(int,input().split())
u,d,r,l,k,p = map(int,input().split())
sx,sy,gx,gy = map(int,input().split())
b = [input() for _ in range(h)]
sx -= 1
sy -= 1
gx -= 1
gy -= 1
C = [r,d,l,u]
dx = [1,0,-1,0]
dy = [0,1,0,-1]
INF = 10**18
dist = [[INF]*w for _ in range(h)]
from heapq import *
q = [(0,sx,sy)]
while q:
    dv,x,y = heappop(q)
    if dist[x][y] < dv: continue
    for i in range(4):
        nx = x + dx[i]
        ny = y + dy[i]
        if nx < 0 or nx >= h or ny < 0 or ny >= w or b[nx][ny] == "#": continue
        cost = dv + C[i]
        if b[nx][ny] == "@":
            cost += p
        if cost < dist[nx][ny]:
            heappush(q, (cost,nx,ny))
            dist[nx][ny] = cost
print("Yes" if dist[gx][gy] <= k else "No")