#include <bits/stdc++.h>
using namespace std;
int main() {
  int x, y, z, t1, t2, t3, a, b;
  scanf("%d%d%d%d%d%d", &x, &y, &z, &t1, &t2, &t3);
  if (x > z)
    a = x - z;
  else
    a = z - x;
  if (x > y)
    b = x - y;
  else
    b = y - x;
  if (b * t1 >= ((a * t2) + (3 * t3) + (b * t2)))
    printf("YES");
  else
    printf("NO");
  return 0;
}
