h,w=map(int,input().split())
U,D,R,L,k,p=map(int,input().split())
c=[U,D,R,L]
d=[(-1,0),(1,0),(0,1),(0,-1)]
Sx,Sy,Gx,Gy=map(int,input().split())
Sx-=1
Sy-=1
Gx-=1
Gy-=1
s=[input() for i in range(h)]
v=[[k+1]*w for i in range(h)]
v[Sx][Sy]=0
q=[(v[Sx][Sy],Sx,Sy)]
from heapq import heappush,heappop
while len(q)>0:
  sc,sx,sy=heappop(q)
  if sc>v[sx][sy]:
    continue
  for i in range(4):
    dx,dy=d[i]
    tx,ty=sx+dx,sy+dy
    if 0<=tx<h and 0<=ty<w and s[tx][ty]!="#":
      tc=sc+c[i]+p*(s[tx][ty]=="@")
      if v[tx][ty]>tc:
        v[tx][ty]=tc
        heappush(q,(v[tx][ty],tx,ty))
print(["No","Yes"][v[Gx][Gy]<=k])