#include<fstream>
#define maxn 100009
using namespace std;
int n,m,T[maxn];
int tata(int x)
{
    while(x!=T[x])
        x=T[x];
    return x;
}
int main()
{
    ifstream fin("disjoint.in");
    ofstream fout("disjoint.out");
    fin>>n>>m;
    for(int i=1;i<=n;i++)
        T[i]=i;
    int cod,x,y;
    for(;m;--m)
    {
        fin>>cod>>x>>y;
        x=tata(x);
        y=tata(y);
            if ( cod == 1 )
                T[x] = y;
                else
                    if ( x == y )
                        fout << "DA" << '\n';
                    else
                        fout << "NU" << '\n';
    }
         return 0;
}