#include <bits/stdc++.h>   using namespace std;   int main() {     long long int l, r, x, y, k;     cin >> l >> r >> x >> y >> k;     for (long long int i = x; i <= y; ++i) {       if (k * i >= l && k * i <= r) {         cout <<  YES  << endl;         exit(0);       }     }     cout <<  NO  << endl;   }   