Day6_ Let's Review

import java.io.*;
import java.util.*;

public class Solution {

    public static void main(String[] args) {
        
        List<String> S=new ArrayList<>();
        String S1;
        int T,N;
        
        Scanner sc=new Scanner(System.in);
        T=sc.nextInt();
        for(int i=0;i<T;i++)
        {   S.add(sc.next());
        }
        
        for(int i=0;i<T;i++)
        {
            S1=S.get(i);
            N=S1.length();
            for(int j=0;j<N;j++)
            {
                if(j%2==0)
                {
                    System.out.print(S1.charAt(j));
                }
            }
            
            System.out.print(" ");
            
            for(int j=0;j<N;j++)
            {
                if(j%2!=0)
                {
                    System.out.print(S1.charAt(j));
                }
            }
            
            System.out.print("\n");
        }
        
        
        
    }
}