#include "bits/stdc++.h"
using namespace std;
#define ar array
#define int long long
const int M = 1e5 + 5;
const int N = 505;
int _d[N][N], used[N][N];
int d[N][N][2], x[M], y[M];
int mn[N], p[N];
signed main(){
ios::sync_with_stdio(0); cin.tie(0);
int n, m; cin>>n>>m; n++, m++;
int a, b, c; cin>>a>>b>>c;
int k; cin>>k;
memset(d, 63, sizeof d);
queue<int> q;
for(int i=0;i<k;i++){
cin>>x[i]>>y[i];
if(i+1 < k){
used[x[i]][y[i]] = 1;
q.push(x[i] * m + y[i]);
}
}
int ch[4][2] = {
{0, 1},
{0, -1},
{1, 0},
{-1, 0}
};
auto check = [&](int x, int y){ return (0 <= x && x < n && 0 <= y && y < m); };
while(!q.empty()){
int u = q.front(); q.pop();
int i = u/m, j = u%m;
for(int t=0;t<4;t++){
int x = i + ch[t][0], y = j + ch[t][1];
if(check(x, y) && !used[x][y]){
_d[x][y] = _d[i][j] + 1;
used[x][y] = 1;
q.push(x * m + y);
}
}
}
//~ for(int i=0;i<n;i++){
//~ for(int j=0;j<m;j++){
//~ cout<<_d[i][j]<<" ";
//~ } cout<<"\n";
//~ } cout<<"\n";
memset(used, 0, sizeof used);
memset(mn, 63, sizeof mn);
memset(p, -1, sizeof p);
int i = x[0], j = y[0];
used[i][j] = 1;
d[i][j][1] = d[i][j][0] = 0;
auto print = [&](){
for(int t=0;t<2;t++){
for(int i=0;i<n;i++){
for(int j=0;j<m;j++){
cout<<d[i][j][t]<<" ";
} cout<<"\n";
} cout<<"\n";
}
};
while(~j){
//~ for(int i=0;i<=n;i++) cout<<mn[i]<<" "<<p[i]<<"\n";
//~ cout<<"\n";
auto upd = [&](int i, int j){
if(mn[i] > d[i][j][1]){
mn[i] = d[i][j][1];
p[i] = j;
}
};
for(int l=0;l<m;l++){
int D = d[i][j][1] + abs(l - j) * a + b;
d[i][l][0] = min(d[i][l][0], D);
if(d[i][l][1] > D + _d[i][l] * c){
d[i][l][1] = D + _d[i][l] * c;
upd(i, l);
}
} for(int l=0;l<n;l++){
int D = d[i][j][1] + abs(i - l) * a + b;
d[l][j][0] = min(d[l][j][0], D);
if(d[l][j][1] > D + _d[l][j] * c){
d[l][j][1] = D + _d[l][j] * c;
upd(l, j);
}
}
for(int t=0;t<4;t++){
int x = i + ch[t][0], y = j + ch[t][1];
if(!check(x, y)) continue;
d[x][y][0] = min(d[x][y][0], d[i][j][1] + c);
if(d[x][y][1] > d[i][j][1] + c){
d[x][y][1] = d[i][j][1] + c;
upd(x, y);
}
}
i = 0, j = p[0];
for(int l=0;l<n;l++){
if(mn[l] < mn[i]){
i = l;
j = p[i];
}
}
//~ cout<<i<<" "<<j<<"\n";
//~ for(int i=0;i<=n;i++) cout<<mn[i]<<" "<<p[i]<<"\n";
//~ cout<<"\n";
if(~j) used[i][j] = 1;
mn[i] = 1e18, p[i] = -1;
for(int l=0;l<m;l++){
if(used[i][l]) continue;
upd(i, l);
}
//~ print();
}
cout<<d[x[k-1]][y[k-1]][0]<<"\n";
}
