#include <iostream>
#include <fstream>
#include <list>
#include <stack>

using namespace std;
ifstream f("distante.in");
ofstream g("distante.out");
int a[100][100];

int main()

{
    int t;
    f>>t;
    for(int i=1; i<=10; ++i)
        for(int j=1; j<=10; ++j)
            a[i][j]=i+j;
    for(int i=1; i<=t; ++i)
        if(i%2)
            g<<"DA"<<endl;
        else g<<"NU"<<endl;
    return 0;
}