#include<bits/stdc++.h>
#define ll long long
#define N 100001
using namespace std;
ll h,w,a,b,c,n,s[N],t[N],ans;
ll solve(ll x,ll y,ll sum){
    if(x==s[n]) return sum+min(abs(t[n]-t[1])*c,abs(t[n]-t[1])*a+b);
    return sum+min(abs(s[n]-s[1])*c,abs(s[n]-s[1])*a+b);
}
int main(){
    freopen("play.in","r",stdin);
    freopen("play.out","w",stdout);
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    cin>>h>>w>>a>>b>>c>>n;
    for(int i=1;i<=n;i++) cin>>s[i]>>t[i];
    ans=min(solve(s[n],t[1],abs(s[n]-s[1])*c),solve(s[1],t[n],abs(t[n]-t[1])*c));
    cout<<ans<<endl;
    return 0;
}