#include <bits/stdc++.h>
using namespace std;
#include <atcoder/convolution>
using namespace atcoder;
using mint = modint1000000007;
using ll = long long;
mint BostanMori(vector<mint> f, vector<mint> g, ll k){
    vector<mint> g_, s, t;
    int m;
    while(k){
        m = g.size();
        g_ = g;
        for(int i=1;i<m;i+=2) g_[i] = -g_[i];
        s = convolution(f, g_), t = convolution(g, g_);
        f.resize(min<ll>(k+1, (s.size()+1-(k&1))>>1));
        g.resize(min<ll>(k+1, (t.size()+1)>>1));
        for(int i=k&1;i<(int)s.size()&&((i>>1)<=k);i+=2) f[i>>1] = s[i];
        for(int i=0;i<(int)t.size()&&((i>>1)<=k);i+=2) g[i>>1] = t[i];
        k >>= 1;
    }
    return f[0] / g[0];
}
int main(){
    cin.tie(nullptr);
    ios::sync_with_stdio(false);
    ll a,b,c,d,e,n;
    cin >> a >> b >> c >> d >> e >> n;
    vector<mint> x = {a,b-c*a}, y = {1, -c-1, -d+c, d}, p = {0,0,e}, q = {1,-1};
    q = convolution(q,y);
    cout << BostanMori(x, y, n).val() + BostanMori(p, q, n).val() << '\n';
    return 0;
}