#include <bits/stdc++.h>
#define DIM 2010
using namespace std;
long long v[DIM],w[DIM];
long long n,m,k,a,b,c,t,i;
int main (){
//ifstream cin ("date.in");
//ofstream cout ("date.out");
cin>>n>>m>>k>>a>>b>>c>>t;
for (i=1;i<=m;i++)
cin>>v[i];
k -= m;
/// mai intai vad cat ma pot extinde din statia i mergand doar cu tren normal
for (i=1;i<=m;i++){
long long timp = b * (v[i] - 1);
/// timp + a * cnt <= t
if (timp > t) /// inseamna ca nici macar aici nu pot ajunge
w[i] = -1;
else {
if (i != m)
w[i] = min ((t - timp) / a, v[i+1] - v[i] - 1);
}
}
for (;k--;){
/// adaug un tren long longre doua statii, iau varianta care imi aduce cele mai multe statii
long long maxi = 0; int poz = 0;
for (i=1;i<m;i++){
if (w[i] == -1 || v[i+1] - v[i] - 1 == w[i])
continue;
/// v[i] + w[i] + 1 -> aici pun statie pt semiexpress
long long timp = b * (v[i] - 1) + c * (w[i] + 1);
if (timp > t) /// degeaba pun
continue;
/// timp + a * cnt <= t
long long cnt = min ((t - timp) / a + 1, v[i+1] - (v[i] + w[i]) - 1);
if (cnt > maxi)
maxi = cnt, poz = i;
}
w[poz] += maxi;
}
long long sol = 0;
for (i=1;i<=m;i++)
sol += w[i] + 1;
cout<<sol - 1;
return 0;
}
