#include <bits/stdc++.h> typedef long long ll; using namespace std; int main() { cin.tie(0) -> sync_with_stdio(0); int h, w; cin >> h >> w; ll A, B, C; cin >> A >> B >> C; int n; cin >> n; vector<int> s(n), t(n); for(int i=0; i<n; ++i) cin >> s[i] >> t[i]; ll dx = abs(s[0]-s[1]); ll dy = abs(t[0]-t[1]); ll ans = C*(dx+dy); ans = min(ans, A*dx + B + C*dy); ans = min(ans, A*dy + B + C*dx); cout << ans << "\n"; return 0; }