#pragma GCC target("avx2")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#include <bits/stdc++.h>
using namespace std;
using lint = long long int;
using P = pair<int, int>;
using PL = pair<lint, lint>;
#define FOR(i, begin, end) for(int i=(begin),i##_end_=(end);i<i##_end_;i++)
#define IFOR(i, begin, end) for(int i=(end)-1,i##_begin_=(begin);i>=i##_begin_;i--)
#define REP(i, n) FOR(i,0,n)
#define IREP(i, n) IFOR(i,0,n)
#define ALL(a)  (a).begin(),(a).end()
constexpr int MOD = 1000000007;
constexpr lint B1 = 1532834020;
constexpr lint M1 = 2147482409;
constexpr lint B2 = 1388622299;
constexpr lint M2 = 2147478017;
constexpr int INF = 2147483647;
void yes(bool expr) {cout << (expr ? "Yes" : "No") << "\n";}
template<class T>void chmax(T &a, const T &b) { if (a<b) a=b; }
template<class T>void chmin(T &a, const T &b) { if (b<a) a=b; }
int main()
{
  ios::sync_with_stdio(false);
  cin.tie(0);
  cout.tie(0);
  lint H, W;
  cin >> H >> W;
  vector<lint> UDRL(4);
  REP(i, 4) cin >> UDRL[i];
  lint K, P;
  cin >> K >> P;
  int xs, ys, xt, yt;
  cin >> xs >> ys >> xt >> yt;
  xs--;ys--;xt--;yt--;
  vector<string> C(H);
  REP(i, H) cin >> C[i];
  vector<vector<lint>> dp(H, vector<lint>(W, 1e18));
  dp[xs][ys] = 0;
  set<tuple<lint, lint, lint>> st;
  st.insert(make_tuple(0, xs, ys));
  vector<int> dx = {-1, 1, 0, 0};
  vector<int> dy = {0, 0, 1, -1};
  while(!st.empty()) {
    auto a = *st.begin();
    st.erase(a);
    lint d = get<0>(a);
    lint x = get<1>(a);
    lint y = get<2>(a);
    if(dp[x][y] != d) continue;
    REP(k, 4) {
      lint nx = x + dx[k];
      lint ny = y + dy[k];
      if(nx < 0 || nx >= H || ny < 0 || ny >= W) continue;
      if(C[nx][ny] == '#') continue;
      lint nd = d + UDRL[k] + (C[nx][ny] == '@' ? P : 0);
      if(nd < dp[nx][ny]) {
        dp[nx][ny] = nd;
        st.insert(make_tuple(nd, nx, ny));
      }
    }
  }
  //cout << dp[xt][yt] << endl;
  yes(dp[xt][yt] <= K);
}