#include <fstream>

using namespace std;
ifstream cin("rsir.in");
ofstream cout("rsir.out");
long long n;
int t0, t1, a, b, x, y, z, m;
int p[10000], s[10000];
pair<int, int> iep, tes;

int nextEl(int t0, int t1) {
    int sol = p[t0] + s[t1];
    if(sol >= m) {
        sol -= m;
    }
    return sol;
}

int main() {
    cin >> t0 >> t1 >> a >> b >> x >> y >> z >> m >> n;
    t0 %= m; t1 %= m;
    
    long long int curent;
    for(int i = 0; i < m; ++i)
    {
        curent = 1LL * x * i;
        curent += 1LL * a * i * i;
        curent += z;
        curent %= m;
        p[i] = curent;
        curent = 1LL * y * i;
        curent += 1LL * b * i * i;
        curent %= m;
        s[i] = curent;
    }

    int t2 = nextEl(t0, t1), t3 = nextEl(t1, t2);
    int t = 1;
    iep = {t2, t3}; tes = {t1, t2};
    
    while(iep != tes) {
        t++;

        int x = nextEl(tes.first, tes.second);
        tes = {tes.second, x};

        int y = nextEl(iep.first, iep.second);
        int z = nextEl(iep.second, y);

        iep = {y, z};
    }

    int len = t;
    t = 0;
    tes = {t0, t1};

    while(iep != tes) {
        t++;

        int x = nextEl(tes.first, tes.second);
        tes = {tes.second, x};

        int y = nextEl(iep.first, iep.second);
        iep = {iep.second, y};
    }

    n = (n + 1 - t) % len + t - 1;

    if(n == 0) {
        cout << t0;
    }
    else if(n == 1) {
        cout << t1;
    }
    else {
        for(int i = 1; i < n; i++) {
            int t2 = nextEl(t0, t1);
            t0 = t1; t1 = t2;
        }
        cout << t1;
    }
    return 0;
}