#include<bits/stdc++.h>
#include<atcoder/all>
using namespace std;

using T=atcoder::modint1000000007;
struct matrix{
  int h,w;
  vector<vector<T>> val;
  matrix(int r,int c=-1):h(r),w(c){
    if (w==-1) w=h;
    val.assign(h,vector<T>(w,0));
  }
  
  matrix operator*(matrix b){
    matrix a=*this,c(h,b.w);
    for (int i=0;i<h;i++){
      for (int j=0;j<b.w;j++){
        for (int k=0;k<h;k++){
          c.val[i][j]+=a.val[i][k]*b.val[k][j];
        }
      }
    }
    return c;
  }

  matrix identity(int n){
    matrix ret(n,n);
    for (int i=0;i<n;i++) ret.val[i][i]=1;
    return ret;
  }

  matrix pow(long long k){
    matrix ret(h,w),m=*this;
    ret=ret.identity(h);
    while (k>0){
      if (k%2==1) ret=ret*m;
      m=m*m;
      k/=2;
    }
    return ret;
  }
};

int main(){
  int n=4;
  long long a,b,c,d,e,N;
  cin>>a>>b>>c>>d>>e>>N;
  matrix ans(n,1);
  ans.val[0][0]=a;
  ans.val[1][0]=a+b;
  ans.val[2][0]=(a+b)+(c*b+d*a+e);
  ans.val[3][0]=1;
  matrix p(n);
  p.val[0][1]=1;
  p.val[1][2]=1;
  p.val[2][0]=-d;p.val[2][1]=d-c;p.val[2][2]=1+c;p.val[2][3]=e;
  p.val[3][3]=1;
  ans=p.pow(N)*ans;
  cout<<ans.val[0][0].val()<<endl;
}