#include <bits/stdc++.h>
using namespace std;
typedef long long int ll;
typedef pair<ll,ll> P;
typedef vector<ll> VI;
typedef vector<VI> VVI;
#define REP(i,n) for(int i=0;i<(n);i++)
#define ALL(v) v.begin(),v.end()
template<typename T> bool chmax(T &x, const T &y){return (x<y)?(x=y,true):false;};
template<typename T> bool chmin(T &x, const T &y){return (x>y)?(x=y,true):false;};
constexpr ll MOD=998244353;
constexpr ll INF=2e18;

int main(){
    ll n, k, seed, a, b, m;
    cin >> n >> k >> seed >> a >> b >> m;
    VI f(2*n);
    f[0]=seed;
    REP(i,2*n-1) f[i+1]=(f[i]*a+b)%m;
    VVI v(3);
    REP(i,n){
        ll w=f[i]%3+1;
        v[w-1].push_back(w*f[n+i]);
    }
    VVI s(3);
    REP(i,3){
        sort(ALL(v[i]),greater<ll>());
        s[i].resize(v[i].size()+1);
        s[i][0]=0;
        REP(j,(int)v[i].size()){
            s[i][j+1]=s[i][j]+v[i][j];
        }
    }
    VI x(k+1,0);
    int pi=0, pj=0;
    for(int i=1;i<=k;i++){
        pi+=3;
        x[i]=s[0][min(max(0,pi),(int)s[0].size()-1)]+s[1][min(max(0,pj),(int)s[1].size()-1)];
        while(1){
            ll l=s[0][min(max(0,pi-2),(int)s[0].size()-1)]+s[1][min(max(0,pj+1),(int)s[1].size()-1)];
            ll r=s[0][min(max(0,pi+2),(int)s[0].size()-1)]+s[1][min(max(0,pj-1),(int)s[1].size()-1)];
            if(pi-2>=pj&&chmax(x[i],l))
                pi-=2, pj+=1;
            else if(pj>=1&&chmax(x[i],r))
                pi+=2, pj-=1;
            else
                break;
            
        }
    }
    ll ans=0;
    REP(i,k+1){
        chmax(ans,s[2][min(i,(int)s[2].size()-1)]+x[k-i]);
    }
    cout << ans << endl;
    return 0;
}