#include <bits/stdc++.h>
using namespace std;
#define ll long long
const ll mmod = 998244353;
#define vl vector<long long>
#define vll vector<vector<long long>>
#define pl pair<long long, long long>
#define vb vector<bool>
int main(){
ios::sync_with_stdio(false);
cin.tie(nullptr);
ll h, w;
cin >> h >> w;
h++; w++;
ll a,b,c;
cin >> a >> b >> c;
ll n;
cin >> n;
vector<pl> nums;
for (ll i = 0; i < n; i++){
ll x,y;
cin >> x >> y;
nums.push_back({x,y});
}
vll closest (h, vl (w,-1));
queue<pl> q;
for (ll i = 0; i < nums.size(); i++){
ll x,y;
x = nums[i].first; y = nums[i].second;
q.push({x,y});
closest[x][y] = 0;
}
vll dirs {{-1,0},{1,0},{0,1},{0,-1}};
while (!q.empty()){
auto hrac = q.front(); q.pop();
ll x,y;
x = hrac.first; y = hrac.second;
for (ll j = 0; j < 4; j++){
ll nx, ny;
nx = x + dirs[j][0];
ny = y + dirs[j][1];
if (0 <= nx && nx < h && 0 <= ny && ny < w){
if (closest[nx][ny] == -1){
closest[nx][ny] = closest[x][y] + 1;
q.push({nx,ny});
}
}
}
}
ll ex, ey;
ex = nums[n-1].first; ey = nums[n-1].second;
priority_queue<vl> fronta;
fronta.push({0, 0, nums[0].first, nums[0].second});
vector<vector<vector<ll>>> dp (5, vll (h, vl(w, 2e18)));
dp[0][nums[0].first][nums[0].second] = 0;
while (!fronta.empty()){
auto prvek = fronta.top();
fronta.pop();
ll dis, t, x, y;
dis = -prvek[0]; t = prvek[1]; x = prvek[2]; y = prvek[3];
if (x == ex && y == ey && t == 0){
cout << dis <<"\n";
return 0;
}
if (dis <= dp[t][x][y]){
if (t == 0){
for (ll j = 0; j < 4; j++){
ll nx = x + dirs[j][0];
ll ny = y + dirs[j][1];
if (0 <= nx && nx < h && 0 <= ny && ny < w){
ll ndis = c + dis;
if (ndis < dp[0][nx][ny]){
dp[0][nx][ny] = ndis;
fronta.push({-ndis, 0, nx, ny});
}
ndis = a + b + dis;
if (ndis < dp[j+1][nx][ny]){
dp[j+1][nx][ny] = ndis;
fronta.push({-ndis, j+1, nx, ny});
}
}
}
}
else{
ll nx = x + dirs[t-1][0];
ll ny = y + dirs[t-1][1];
ll ndis = dis + a;
if (0 <= nx && nx < h && 0 <= ny && ny < w){
if (ndis < dp[t][nx][ny]){
dp[t][nx][ny] = ndis;
fronta.push({-ndis, t, nx, ny});
}
}
ndis = dis + closest[x][y]*c;
if (ndis < dp[0][x][y]){
dp[0][x][y] = ndis;
fronta.push({-ndis, 0, x, y});
}
}
}
}
return 0;
}
