#include <bits/stdc++.h>
using namespace std;
const int MaxSize = 1e5 + 17;
int arr[MaxSize];
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  int x, y, z, t1, t2, t3;
  cin >> x >> y >> z >> t1 >> t2 >> t3;
  int lift = 3 * t3 + abs(x - y) * t2 + abs(x - z) * t2;
  if (lift <= abs(x - y) * t1)
    cout << "YES\n";
  else
    cout << "NO\n";
}
