D

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

int main() {
    int t;
    cin>>t;

    while(t--){
        long long int a;
        cin>>a;

        if(a==2)
            cout<<4<<" "<<8<<"\n";
        else
            cout<<2*a<<" "<<a*a<<"\n";
    }
}