Cub_Perfect

#include<bits/stdc++.h>
using namespace std;

int main()
{
    long long n, rt, x;
    cin>>n;
    for(int i=1;i<=n;i++)
    {
        cin>>x;
        rt=cbrt(x);
        if(rt*rt*rt==x)
            cout<<"DA\n";
        else
            cout<<"NU\n";
    }
}