source_code: import java.io.BufferedReader;
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.InputStreamReader;
  import java.io.PrintWriter;
  import java.util.StringTokenizer;
  
  public class Solution1515B {
    public static void main(String[] args) {
      InputReader in = new InputReader(System.in);
      PrintWriter out = new PrintWriter(System.out);
      Solver1515B solver = new Solver1515B();
      int n = in.nextInt();
      for (int i = 0; i < n; i++) {
        solver.solve(i, in, out);
      }
      out.close();
    }
  
    static class Solver1515B {
      public void solve(int testNumber, InputReader in, PrintWriter out) {
        int n = in.nextInt();
        boolean f = false;
        if (n % 2 == 0) {
          int s = (int) Math.sqrt(n / 2);
          if (s * s == n / 2) {
            f = true;
          }
        }
        if (n % 4 == 0) {
          int s = (int) Math.sqrt(n / 4);
          if (s * s == n / 4) {
            f = true;
          }
        }
        if (f) {
          out.println("YES");
        } else {
          out.println("NO");
        }
      }
    }
  
    static class InputReader {
      public BufferedReader reader;
      public StringTokenizer tokenizer;
  
      public InputReader(InputStream stream) {
        reader = new BufferedReader(new InputStreamReader(stream), 32768);
        tokenizer = null;
      }
  
      public String next() {
        while (tokenizer == null || !tokenizer.hasMoreTokens()) {
          try {
            tokenizer = new StringTokenizer(reader.readLine());
          } catch (IOException e) {
            throw new RuntimeException(e);
          }
        }
        return tokenizer.nextToken();
      }
  
      public int nextInt() {
        return Integer.parseInt(next());
      }
    }
  }