#include<bits/stdc++.h>
using namespace std;
#define ALL(a) a.begin(), a.end()
#define RALL(a) a.rbegin(), a.rend()
using ll = long long;


int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);

    int X1, Y1, X2, Y2, X3; cin >> X1 >> Y1 >> X2 >> Y2 >> X3;
    cout << (X3*Y1/2 == X3*Y2/2 ? "Yes" : "No") << "\n";
}