import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.Arrays;
import java.util.PriorityQueue;

public class Main {
	public static void main(String[] args) throws Exception {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String[] sa = br.readLine().split(" ");
		int h = Integer.parseInt(sa[0]);
		int w = Integer.parseInt(sa[1]);

		sa = br.readLine().split(" ");
		int[] cos = new int[4];
		for (int i = 0; i < 4; i++) {
			cos[i] = Integer.parseInt(sa[i]);
		}
		long k = Long.parseLong(sa[4]);
		int p = Integer.parseInt(sa[5]);

		sa = br.readLine().split(" ");
		int xs = Integer.parseInt(sa[0]) - 1;
		int ys = Integer.parseInt(sa[1]) - 1;
		int xt = Integer.parseInt(sa[2]) - 1;
		int yt = Integer.parseInt(sa[3]) - 1;

		char[][] c = new char[h][w];
		for (int i = 0; i < h; i++) {
			c[i] = br.readLine().toCharArray();
		}
		br.close();

		int[] dx = {-1, 1, 0, 0};
		int[] dy = {0, 0, -1, 1};

		int s = xs * w + ys;
		long[] d = new long[h * w];
		Arrays.fill(d, Long.MAX_VALUE);
		d[s] = 0;
		PriorityQueue<Node> que = new PriorityQueue<Node>();
		Node first = new Node(s, 0);
		que.add(first);

		while (!que.isEmpty()) {
			Node cur = que.poll();
			if (cur.d > d[cur.v]) {
				continue;
			}
			int cx = cur.v / w;
			int cy = cur.v % w;
			for (int i = 0; i < 4; i++) {
				int nx = cx + dx[i];
				int ny = cy + dy[i];
				if (nx < 0 || h <= nx || ny < 0 || w <= ny || c[nx][ny] == '#') {
					continue;
				}
				int next = nx * w + ny;
				long alt = d[cur.v] + cos[i];
				if (c[nx][ny] == '@') {
					alt += p;
				}
				if (alt < d[next]) {
					d[next] = alt;
					que.add(new Node(next, alt));
				}
			}
		}
		if (d[xt * w + yt] <= k) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}
	}

	static class Node implements Comparable<Node> {
		int v;
		long d;

		public Node(int v, long d) {
			this.v = v;
			this.d = d;
		}

		public int compareTo(Node o) {
			return Long.compare(d, o.d);
		}
	}
}