import sys
input = sys.stdin.readline

H,W,T=map(int,input().split())
sx,sy=map(int,input().split())
gx,gy=map(int,input().split())

sx-=1
sy-=1
gx-=1
gy-=1

MAP=[input().strip() for i in range(H)]
OK=[[0]*W for i in range(H)]
OK[sx][sy]=1

for turns in range(1,T):
    A=[[0]*W for i in range(H)]
    
    for i in range(H):
        for j in range(W):
            if MAP[i][j]!="0":
                A[i][j]=(int(MAP[i][j])-turns)%(1+int(MAP[i][j]))

    #print("!",A)
    OK2=[[0]*W for i in range(H)]

    for i in range(H):
        for j in range(W):
            if OK[i][j]==1:
                for z,w in [(i,j),(i+1,j),(i-1,j),(i,j+1),(i,j-1)]:
                    if 0<=z<H and 0<=w<W and A[z][w]>0:
                        OK2[z][w]=1

    OK=OK2

    if OK[gx][gy]==1:
        print("Yes")
        exit()

    #print(OK)

print("No")