#include <bits/stdc++.h>
    using namespace std;
    #include <math.h>
    #include <iomanip>
    #include <cstdint>
    #include <string>
    #include <sstream>
    template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
    template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }
    #define rep(i,n) for (int i = 0; i < (n); ++i)
    typedef long long ll;
    typedef unsigned long long ull;
    using P=pair<ll,ll>;
    const ll INF=1e18;
    const int mod=998244353;
    
    struct edge{
      int to;
      ll w;
      edge(int to,ll w):to(to),w(w){}
    };
    using Graph=vector<vector<edge>>;
    
    int n;
    ll h,w,k,p,xs,ys,xt,yt;
    
    int toid(int i,int j){return i*w+j;}
    
    ll dijkstra(int s,Graph G){
      vector<ll> dist(n,INF);
      dist[s]=0;
      priority_queue<pair<ll,int>,vector<pair<ll,int>>,greater<pair<ll,int>>>q;
      q.push({dist[s],s});
      while(!q.empty()){
        int v=q.top().second;
        ll d=q.top().first;
        q.pop();
        if(d>dist[v]){continue;}
        for(auto e:G[v]){
          if(chmin(dist[e.to],dist[v]+e.w)){
            q.push({dist[e.to],e.to});
          }
        }
      }
      return dist[toid(yt,xt)];
    }

    char c[105][105];
    int dx[4]={0,0,1,-1},dy[4]={-1,1,0,0};

    void solve(){
        cin>>h>>w;
        vector<ll>s(4);
        rep(i,4){cin>>s[i];}
        
        cin>>k>>p>>xs>>ys>>xt>>yt;
        xs--;ys--;xt--;yt--;

        n=h*w;
        Graph G(n);

        rep(i,h){
            rep(j,w){
                cin>>c[i][j];
            }
        }
        
        rep(i,h){
            rep(j,w){
                if(c[i][j]=='#'){continue;}
                rep(k,4){
                    int ni=i+dy[k],nj=j+dx[k];
                    if(ni>=0&&ni<h&&nj>=0&&nj<w&&c[ni][nj]!='#'){
                        ll cost=s[k]+(c[ni][nj]=='@'?p:0);
                        G[toid(i,j)].push_back(edge(toid(ni,nj),cost));
                    }
                }
            }
        }
        ll dist=dijkstra(toid(ys,xs),G);
        if(dist<=k){cout<<"Yes"<<endl;}
        else{cout<<"No"<<endl;}
    }

    int main(){
        ios_base::sync_with_stdio(false);
        cin.tie(NULL);
        
        solve();  

        return 0;
    }