题解

#include<iostream>
using namespace std;
int main(){
    int t;
    cin>>t;
    for(int i=0;i<t;i++){
        int n;
        cin>>n;
        if(n%2==0){
            cout<<6<<"\n";
        }else{
        	cout<<4<<"\n";
        }
    }
    return 0;
}