#include <bits/stdc++.h>
using namespace std;
int x, y, z, t1, t2, t3, s, e;
int main() {
  cin >> x >> y >> z >> t1 >> t2 >> t3;
  s = abs(x - y) * t1;
  e = abs(x - z) * t2 + t3 + t3 + abs(x - y) * t2 + t3;
  if (s < e) {
    cout << "NO";
  } else {
    cout << "YES";
  }
  return 0;
}
