Met2

#include <iostream>
using namespace std;
int v[101];
int main ()
{
    int i, n, contor=0;
    cin>>n;
    for(i=1; i<=n; i++)
    {
        cin>>v[i];
        if(v[i]%2!=0)
        {
            contor++;
        }
    }
    if(contor==0)
    {
        cout<<"DA";
    }
    else
    {
        cout<<"NU";
    }
    return 0;
}