import sys
input = sys.stdin.readline
import heapq

H,W=map(int,input().split())
U,D,R,L,K,P=map(int,input().split())
xs,ys,xt,yt=map(int,input().split())

MAP=[input().strip() for i in range(H)]
DP=[[1<<60]*W for i in range(H)]

xs-=1
xt-=1
ys-=1
yt-=1

Q=[(0,xs,ys)]

while Q:
    cost,x,y=heapq.heappop(Q)

    if cost>DP[x][y]:
        continue

    for z,w,cp in [(x+1,y,D),(x-1,y,U),(x,y+1,R),(x,y-1,L)]:
        if 0<=z<H and 0<=w<W:
            if MAP[z][w]=="." and DP[z][w]>cost+cp:
                DP[z][w]=cost+cp
                heapq.heappush(Q,(cost+cp,z,w))
            elif MAP[z][w]=="@" and DP[z][w]>cost+cp+P:
                DP[z][w]=cost+cp+P
                heapq.heappush(Q,(cost+cp+P,z,w))

if DP[xt][yt]<=K:
    print("Yes")
else:
    print("No")