#include <iostream>
#include <iomanip>
#include <cstdio>
#include <queue>
#include <cstring>
#include <vector>
#include <map>
#include <algorithm>
#include <cctype>
#include <cmath>
#include <bitset>
#include <set>
#include <deque>
#include <stack>
#include <atcoder/all>
#include <array>
using namespace std;
#define rep(i,n) for(int i = 0; i < (int)(n); ++i)
#define rrep(i,n) for(int i = 1; i <= (n); ++i)
#define drep(i,n) for(int i = (n)-1; i >= 0; --i)
#define srep(i,s,t) for (int i = s; i < (t); ++i)
#define dsrep(i,t,s) for(int i = (t)-1; i >= (s); --i)
#define rng(a) a.begin(),a.end()
#define rrng(a) a.rbegin(),a.rend()
#define isin(x,l,r) ((l) <= (x) && (x) < (r))
int dx4[4]={1,0,-1,0};
int dy4[4]={0,-1,0,1};
using ll = long long;
using uint = unsigned;
using ull = unsigned long long;
using P = pair<int,int>;
const ll LINF = 1001002003004005006ll;
const int INF = 1001001001;
// const ll mod = 998244353;
const ll mod = 1e9 + 7;

///////////////////////////////////////////
ll h, w, k, pp, sx, sy, gx, gy;
char c[105][105];
ll dist[105][105];
using PP = pair<ll, P>;
ll cost_vec[4];

bool grid_inside(int y, int x) {
  if(0 <= y && y < h && 0 <= x && x < w) return true;
  else return false;
}

void dijkstra(int sx, int sy) {
  priority_queue<PP, vector<PP>, greater<PP>> que;
  dist[sx][sy] = 0;
  que.push(PP(0, P(sx, sy)));

  while (!que.empty()) {
    auto [cost, p] = que.top(); que.pop();
    if(dist[p.first][p.second] < cost) continue;
    rep(i, 4) {
      int nx = dx4[i] + p.first, ny = dy4[i] + p.second;
      if(grid_inside(nx, ny) && (c[nx][ny] == '.' || c[nx][ny] == '@')) {
        ll tcost = dist[p.first][p.second] + cost_vec[i];
        if(c[nx][ny] == '@') tcost += pp;
        if(dist[nx][ny] > tcost) {
          dist[nx][ny] = tcost;
          que.push(PP(dist[nx][ny], P(nx, ny)));
        }
      }
    }
  }
}

int main() {
  cin.tie(0);
  ios::sync_with_stdio(false);

  cin >> h >> w >> cost_vec[1] >> cost_vec[0] >> cost_vec[3] >> cost_vec[2] >> k >> pp >> sx >> sy >> gx >> gy;
  rep(i, h) rep(j, w) cin >> c[i][j];
  rep(i, h) rep(j, w) dist[i][j] = LINF;

  sx--; sy--; gx--; gy--;
  dijkstra(sx, sy);

  cout << (dist[gx][gy] <= k ? "Yes" : "No") << endl;
}