import sys
#sys.setrecursionlimit((1<<19)-1)
#import pypyjit
#pypyjit.set_param('max_unroll_recursion=-1')

H,W,T=map(int,input().split())
Sy,Sx=map(int,input().split())
Gy,Gx=map(int,input().split())
Sy-=1
Sx-=1
Gy-=1
Gx-=1
A=[list(map(int,input())) for i in range(H)]
dp=[[0]*W for i in range(H)]
dp[Sy][Sx]=1
for i in range(T-1):
    ndp=[[0]*W for i in range(H)]
    for j in range(H):
        for k in range(W):
            if (A[j][k]-i-1)%(A[j][k]+1):
                if dp[j][k]:
                    ndp[j][k]=1
                for my,mx in ((0,1),(1,0),(0,-1),(-1,0)):
                    if 0<=my+j<H and 0<=mx+k<W:
                        if dp[my+j][mx+k]:
                            ndp[j][k]=1
    if ndp[Gy][Gx]:
        print("Yes")
        exit()
    dp=ndp
print("No")