source_code: import java.io.PrintWriter;
  import java.util.Scanner;
  
  public class Main {
  
      static Scanner sc;
      static PrintWriter out;
  
      public static void main(String[] args) {
          sc = new Scanner(System.in);
          out = new PrintWriter(System.out);
          int t = 1;
          if (true) {
              t = sc.nextInt();
          }
          for(int i=0; i<t; i++) {
              new Main().solve();
          }
          out.flush();
      }
  
      public void solve() {
          long n = sc.nextInt();
          if(n % 2 == 1) {
              out.println("NO");
              return;
          }
          for(long i=1; i*i*2 <= n; i++) {
              if(i * i * 2 == n || i * i * 4 == n) {
                  out.println("YES");
                  return;
              }
          }
          out.println("NO");
  
      }
  
  }
  