#include<fstream>
//#define f first
//#define s second
using namespace std;
int a, b, x, y, z, nr, i, nr1, m, aux;
struct pintint{
    int s;
    int f;
};
pintint frst, p, q;
long long n;
int v[7005], w[7005];
ifstream fin("rsir.in");
ofstream fout("rsir.out");
inline void next(pintint p, pintint &pnext){
    pnext.f = p.s;
    pnext.s = v[p.f] + w[p.s] + z;
    if(pnext.s >= m){
        pnext.s -= m;
    }
    if(pnext.s >= m){
        pnext.s -= m;
    }
}
int main(){
    fin>> frst.f >> frst.s >> a >> b >> x >> y >> z >> m >> n;
    frst.f %= m;
    frst.s %= m;
    a %=m;
    b %= m;
    x %= m;
    y %= m;
    z %= m;

    for(i = 0; i < m; i++){
        v[i] = (a * i % m * i + x * i) % m;
        w[i] = (b * i % m * i + y * i) % m;
    }

    p = q = frst;
    do{
        next(p, p);
        next(q, q);
        next(q, q);

    }while(p.f != q.f || p.s != q.s);

    do{
       nr++;
       next(p, p);
    }while(p.f != q.f || p.s != q.s);

    p = q = frst;
    for(i = 1; i <= nr; i++){
        next(p, p);
    }
   while(p.f != q.f || p.s != q.s){
       nr1++;
       next(p, p);
       next(q, q);
   }
   if(n < nr1){
       p = frst;
       for(i = 1; i <= n; i++){
           next(p, p);
       }
       fout<< p.f <<"\n";
   }
   else{
      /* p = frst;
       for(i = 1; i <= nr1; i++){
           p = next(p);
       }*/
       n -= nr1;
       aux = n % nr;
       for(i = 1; i <= aux; i++){
           next(p, p);
       }
       fout<< p.f <<"\n";
   }
   return 0;
}