#include <bits/stdc++.h>
using namespace std;
long long a[500000];
int main() {
  long long x, y, z, t1, t2, t3;
  cin >> x >> y >> z >> t1 >> t2 >> t3;
  long long k = abs(x - z) * t2 + 3 * t3 + abs(x - y) * t2;
  long long a = abs(x - y) * t1;
  if (a >= k) {
    cout << "YES";
  } else {
    cout << "NO";
  }
  return 0;
}
