#include<iostream>
#include<cmath>
using namespace std;

int Solution()
{
    int n;
    cin>>n;
    int a=n/2;
    int c=sqrt(a);
    int b=n/4;
    int d=sqrt(b);
    if(c*c==a)
    {
        cout<<"YES"<<endl;
        return 0;
    }
    else if(d*d==b)
    {
        cout<<"YES"<<endl;
        return 0;
    }
    cout<<"NO"<<endl;
    return 0;
}

int main()
{
    int t;
    cin>>t;
    for(int i=0;i<t;i++)
    {
        Solution();
    }
    return 0;
}