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

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

int n, m, disjoint[100001];

int father(int x)
{
    if(disjoint[x]==0)
        return x;
    else
    {
        disjoint[x] = father(disjoint[x]);
        return disjoint[x];
    }
}

void unify(int x, int y)
{
    x = father(x);
    y = father(y);

    disjoint[y] = x;
}

int main()
{
    fin >> n >> m;

    for(int i = 1; i <= m; ++i)
    {
        int op, x, y;
        fin >> op >> x >> y;
        if(op == 1)
        {
            unify(x, y);
        }
        else
        {
            if(father(x) == father(y))
            {
                fout<<"DA\n";
            }
            else
            {
                fout<<"NU\n";
            }
        }
    }

    return 0;
}