#include <bits/stdc++.h>
using namespace std;
int main() {
  int x, y, z, t1, t2, t3;
  cin >> x >> y >> z >> t1 >> t2 >> t3;
  if (abs(x - y) * t1 >= (abs(z - x) * t2 + 3 * t3 + abs(x - y) * t2))
    cout << "Yes\n";
  else
    cout << "No\n";
  return false;
}
