#include <bits/stdc++.h>
using namespace std;
int main() {
  int a, b, c, d, e, f, timeS, timeE;
  cin >> a >> b >> c >> d >> e >> f;
  if (b > a) {
    timeS = (b - a) * d;
    if (a > c) {
      timeE = (a - c) * e + (3 * f) + (b - a) * e;
    } else {
      timeE = (c - a) * e + (3 * f) + (b - a) * e;
    }
  } else {
    timeS = (a - b) * d;
    if (a > c) {
      timeE = (a - c) * e + (3 * f) + (a - b) * e;
    } else {
      timeE = (c - a) * e + (3 * f) + (a - b) * e;
    }
  }
  if (timeS >= timeE) {
    cout << "YES";
  } else {
    cout << "NO";
  }
  cout << "\n";
}
