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

ifstream fin("disjoint.in");
ofstream fout("disjoint.out");

const int NMAX = 1e5+5;
int n, m, sets[NMAX], parent[NMAX];

inline int Find(int x)
{
    if(parent[x] == x)
        return x;
    return parent[x] = Find(parent[x]);
}

inline void Union(int x, int y)
{
    if(x == y)
        return;
    if(x > y)
        swap(x,y);
    sets[x]+=sets[y];
    parent[y] = parent[x];
}

int main()
{
    fin >> n >> m;
    for(int i = 1; i <= n; ++ i)
    {
        sets[i] = 1;
        parent[i] = i;
    }
    while(m--)
    {
        int q, x, y;
        fin >> q >> x >> y;
        if(q == 1)
        {
            Union(Find(x), Find(y));
        }
        else
        {
            if(Find(x) == Find(y))
                fout << "DA\n";
            else
                fout << "NU\n";
        }
    }
}