#include <bits/stdc++.h>   using namespace std;   int main() {     int l, r, x, y;     double k;     cin >> l >> r >> x >> y >> k;     bool flag = false;     double value;     while (x <= y) {       value = (double)x * k;       if (value >= l && value <= r) {         flag = true;         break;       }       x++;     }     if (flag) {       cout <<  YES ;     } else {       cout <<  NO ;     }     return 0;   }   