#include<fstream>
using namespace std;
ifstream in("disjoint.in");
ofstream out("disjoint.out");

#define N 100001

int t[N];
int n, m;

int multime(int x)
{
    if( t[x] != x)
        t[x] = multime(t[x]);
    return t[x];
}

void uneste(int x, int y)
{
    x = multime(x);
    y = multime(y);
    t[x] = y;
}

void query(int x, int y)
{
    if(multime(x) == multime(y))
        out<<"DA"<<'\n';
    else
        out<<"NU"<<'\n';
}

int main()
{
    in >> n >> m;
    for(int i=1; i<=n; i++)
        t[i] = i;

    for(int i=1; i<=m; i++)
    {
        int cod, x, y;
        in >> cod >> x >> y;
        if(cod == 1)
            uneste(x, y);
        else
            query(x, y);
    }
}