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#include<bits/stdc++.h>
#include "dzilib.h"
#define FOR(i,a,b) for(int i=a;i<(int)b;++i)
#define FORD(i,a,b) for(int i=a;i>=(int)b;--i)
#define PB push_back
#define EB emplace_back
#define FI first
#define SE second
#define umap unordered_map
#define uset unordered_set
#define vi vector<int>
#define vvi vector<vi>
#define vll vector<ll>
#define vvll vector<vll>
#define vpii vector<pii>
#define pii pair<int, int>
#define pll pair<ll, ll>
#define ALL(X) (X).begin(),(X).end()
//#ifndef DEBUG
//#define endl (char)10
//#endif
using namespace std;
using ll = long long;
using ld = long double;

template <class T>
istream& operator>> (istream& is, vector<T>& vec){
    FOR(i,0,vec.size()) is >> vec[i];
    return is;
}
template <class T>
ostream& operator<< (ostream& os, vector<T>& vec){
    for(auto& t : vec) os << t << " ";
    return os;
}
template<class T, class U>
ostream& operator<< (ostream& os, const pair<T, U>& p){
    os << p.FI << " " << p.SE;
    return os;
}
template<class T, class U>
istream& operator>> (istream& is, pair<T, U>& p){
    is >> p.FI >> p.SE;
    return is;
}

int main () {
    //ios_base::sync_with_stdio(false);
    //cin.tie(0);
    const int N = 1001000;
    //const int N = 10010;
    vi LD(N, 0);
    FOR(i,1,N) for(int j = i; j < N; j += i) LD[j]++;
    const int K = 20;
    using T = array<int, K>;

    map<T, int> S;
    FOR(i,K + 1,N){
        T pom;
        FOR(j,0,K) pom[j] = LD[i - j - 1];
        S[pom] = i - K;
    }

    int testy = GetT();
    ll n = GetN();
    while(testy--){
        T trial;
        FOR(j,0,K) trial[j] = Ask(K - 1 - j);
        auto it = S.find(trial);
        if (it == S.end()){
            Answer(4444);
        } else {
            Answer(S[trial]);
        }
    }
}