import java.util.*;
import java.io.*;
public class B {

	public static void main(String[] args) {
		FastScanner sc = new FastScanner();
		int T = sc.nextInt();
		while(T-->0) {
			int n = sc.nextInt();
			if(n % 2 == 0 && issq(n/2)) {
				System.out.println("YES");
			}
			else if(n % 4 == 0 && issq(n/4)) {
				System.out.println("YES");
			}
			else {
				System.out.println("NO");
			}
		}

	}

	static boolean issq(long x) {
		long rx = (long)Math.sqrt(x);
		return rx * rx == x;
	}
	
	static class FastScanner {
		public BufferedReader reader;
		public StringTokenizer tokenizer;
		public FastScanner() {
			reader = new BufferedReader(new InputStreamReader(System.in), 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());
		}
		public long nextLong() {
			return Long.parseLong(next());
		}
		public double nextDouble() {
			return Double.parseDouble(next());
		}
		public String nextLine() {
			try {
				return reader.readLine();
			} catch(IOException e) {
				throw new RuntimeException(e);
			}
		}
	}

}
