#include <bits/stdc++.h>
using namespace std;
int main() {
  int x, y, z, t1, t2, t3;
  cin >> x >> y >> z >> t1 >> t2 >> t3;
  unsigned long long xy, xz;
  if (x > y) {
    xy = x - y;
  } else {
    xy = y - x;
  }
  if (x > z) {
    xz = x - z;
  } else {
    xz = z - x;
  }
  unsigned long long stair = xy * t1;
  unsigned long long lift = (xz + xy) * t2 + t3 * 3;
  if (lift > stair) {
    cout << "NO";
  } else {
    cout << "YES";
  }
  return 0;
}
