using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.IO;
 
class Yukicoder0466
{
 
    public Yukicoder0466() { }
    public static int Main()
    {
        new Yukicoder0466().calc();
        return 0;
    }
 
    Scanner cin;
 
    void calc()
    {
        cin = new Scanner();
		
		int[] num_idx = new int[] {0,0,1,0,2,5,0,4,3,0};
        int[] two_idx = new int[] {1,2,4,8,7,5};

        int t = cin.nextInt();
        
        for(;t>0;--t){
            int n=cin.nextInt(),x=cin.nextInt(),a=cin.nextInt(),b=cin.nextInt(),m=cin.nextInt();         
            bool allzero=true;
           

            int ans=0,num=n-1,den=1,two=0,three=0,tmp;

            for(int i=0;i<n;++i){
                int s=x%10;
                x=((x^a)+b)%m;
            
                if(s!=0) allzero=false;

                if(three<=1){
                    int cur=s;
                    cur=cur*two_idx[two%6]*(three==1?3:1);
                    ans+=cur;
                }
                
                if(i==n-1) break;

                tmp=num;
                while(tmp%3==0){
                    tmp/=3;three++;
                }
                two+=(num_idx[tmp%9]);
                
                tmp=den;
                while(tmp%3==0){
                    tmp/=3;three--;
                }
                two+=(6-num_idx[tmp%9]);
                
                num--;den++;
            }

            ans%=9;
            if(allzero==false && ans==0) ans=9;
            Console.WriteLine(ans);
        }

    }
}
 
 
 
 
 
class Scanner
{
    string[] s;
    int i;
 
    char[] cs = new char[] { ' ' };
 
    public Scanner()
    {
        s = new string[0];
        i = 0;
    }
 
    public string next()
    {
        if (i < s.Length) return s[i++];
        string st = Console.ReadLine();
        while (st == "") st = Console.ReadLine();
        s = st.Split(cs, StringSplitOptions.RemoveEmptyEntries);
        i = 0;
        return next();
    }
 
    public int nextInt()
    {
        return int.Parse(next());
    }
 
    public long nextLong()
    {
        return long.Parse(next());
    }
 
    public double nextDouble()
    {
        return double.Parse(next());
    }
 
}