source_code: import java.util.*;
  import java.io.*;
  
  public class Solution {
      public static void main(String str[]) throws Exception{
          Scanner sc = new Scanner(System.in);
          BufferedWriter output = new BufferedWriter(
                  new OutputStreamWriter(System.out));
          int t = sc.nextInt();
          while(t-->0){
              int n = sc.nextInt();
              if((n%2==0 && Math.pow(n/2,0.5)%1.0==0) || (n%4==0 && Math.pow(n/4,0.5)%1.0==0) )  output.write("YES\n");
              else {
                  output.write("NO\n");
              }
          }
          output.flush();
      }
  
  }
  
  