#include <bits/stdc++.h>
using namespace std;

struct Edge {
	int u;
	int v;
	long long cost;
	Edge(int a, int b, long long c) : u(a), v(b), cost(c) {

	}
};
using Graph = vector<vector<Edge>>;
using PAIR = pair<long long, long long>;

long long H, W, P;
vector<string> C;

void dijkstra(const Graph& G, int s, vector<long long>& dis) {
	int N = G.size();
	dis.resize(N, 1LL << 60);
	priority_queue<PAIR, vector<PAIR>, greater<PAIR>> pq;
	dis[s] = 0;
	pq.emplace(dis[s], s);
	while (!pq.empty()) {
		PAIR p = pq.top();
		pq.pop();
		int v = p.second;
		if (dis[v] < p.first) {
			continue;
		}
		for (auto& e : G[v]) {
			if (C[e.v / H][e.v % H] == '#') continue;
			if (C[e.v / H][e.v % H] == '.') {
				if (dis[e.v] > dis[v] + e.cost) {
					dis[e.v] = dis[v] + e.cost;
					pq.emplace(dis[e.v], e.v);
				}
			}
			if (C[e.v / H][e.v % H] == '@') {
				if (dis[e.v] > dis[v] + e.cost + P) {
					dis[e.v] = dis[v] + e.cost + P;
					pq.emplace(dis[e.v], e.v);
				}
			}
		}
	}
}

int main() {
	cin >> H >> W;
	long long U, D, R, L, K;
	cin >> U >> D >> R >> L >> K >> P;

	Graph G(H * W);
	for (int i = 1; i < H; i++) {
		for (int j = 0; j < W; j++) {
			G[i * H + j].emplace_back(i * H + j, (i - 1) * H + j, U);
			G[(i - 1) * H + j].emplace_back((i - 1) * H + j, i * H + j, D);
		}
	}
	for (int i = 0; i < H; i++) {
		for (int j = 1; j < W; j++) {
			G[i * H + j].emplace_back(i * H + j, i * H + j - 1, L);
			G[i * H + j - 1].emplace_back(i * H + j - 1, i * H + j, R);
		}
	}
	long long xs, ys, xt, yt; cin >> xs >> ys >> xt >> yt;
	xs--; ys--; xt--; yt--;
	for (int i = 0; i < H; i++) {
		string c; cin >> c;
      	C.push_back(c);
	}
	vector<long long> dis;
	dijkstra(G, xs * H + ys, dis);

	if (dis[xt * H + yt] <= K) cout << "Yes" << endl;
	else cout << "No" << endl;
}