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