#include <cmath>
#include <deque>
#include <algorithm>
#include <iterator>
#include <list>
#include <tuple>
#include <map>
#include <unordered_map>
#include <queue>
#include <set>
#include <unordered_set>
#include <stack>
#include <string>
#include <vector>
#include <fstream>
#include <iostream>
#include <functional>
#include <numeric>
#include <iomanip> 
#include <stdio.h>
#include <assert.h>
#include <cstring>
//eolibraries
#define lnf 3999999999999999999
#define inf 999999999
#define fi first
#define se second
#define pb push_back
#define ll long long
#define ld long double
#define all(c) (c).begin(),(c).end()
#define sz(c) (ll)(c).size()
#define make_unique(a) sort(all(a)),a.erase(unique(all(a)),a.end())
#define pii pair <ll,ll>
#define tpii pair<ll,pii>
#define rep(i,n) for(ll i = 0 ; i < n ; i++) 
#define drep(i,n) for(ll i = n-1 ; i >= 0 ; i--)
#define crep(i,x,n) for(ll i = x ; i < n ; i++)
#define vi vector <ll> 
#define vec(...) vector<__VA_ARGS__>
#define _37ckhvj ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0)
//eodefine
using namespace std;

const ll mxn=12000;
const ll di[]={1,-1,0,0};
const ll dj[]={0,0,1,-1};

int main(){
_37ckhvj;
	ll h,w;
	cin>>h>>w;
	vi mvcost(4,0);
	rep(i,4) cin>>mvcost[i];
	ll k,_p;
	cin>>k>>_p;
	ll xs,ys,xt,yt;
	cin>>xs>>ys>>xt>>yt;
	xs--; ys--; xt--; yt--;
	vec(vec(char)) a(h,vec(char)(w));
	rep(i,h) rep(j,w) cin>>a[i][j];
	vec(vec(ll)) dp(h,vi(w,lnf));	
	if(a[xs][ys]=='#'){
		cout<<"No\n"; exit(0);
	}
	priority_queue<tpii,vector<tpii>,greater<tpii>> pq;
	pq.push({0,{xs,ys}});
	dp[xs][ys]=0;

	auto ok=[&](ll x,ll y){
		bool pok=1;
		if(min(x,y)<0) return pok=0;
		if(x>=h or y>=w) return pok=0;
		if(a[x][y]=='#') return pok=0;
		return pok=1;
	};

	while(sz(pq)){
		tpii top=pq.top();
		pii p=top.se;
		pq.pop();
		if(top.fi!=dp[p.fi][p.se]) continue;
		// cout<<p.fi<<" "<<p.se<<" "<<top.fi<<"\n";
		rep(i,4){
			ll nei=p.fi+di[i],nej=p.se+dj[i];
			if(ok(nei,nej)){
				ll cost=top.fi+mvcost[i];
				if(a[nei][nej]=='@'){
					cost+=_p;
				}
				if(dp[nei][nej]>cost){
					dp[nei][nej]=cost;
					pq.push({cost,{nei,nej}});
				}
			}
		}
	}
	if(dp[xt][yt]>k){
		cout<<"No\n";
	}else{
		cout<<"Yes\n";
	}
//	
	return 0;
}