#include <iostream>
#include <fstream>
#define NMAX 50004
using namespace std;
int v[2 * NMAX], h[2 * NMAX];
int rad (int x)
{
    if (v[x] != x)
        v[x] = rad(v[x]);
    return v[x];
}


void uni (int x, int y)
{
    if (h[rad(x)] > h[rad(y)])
    {
        h[rad(x)] += h[rad(y)];
        v[rad(y)] = rad(x);
        
    }
    else 
    {
        h[rad(y)] += h[rad(x)];
        v[rad(x)] = rad(y);
    }
}

int n, s, m;
int main()
{
    ifstream cin ("disjoint.in");
    ofstream cout ("disjoint.out");
    cin >> n >> m;
    for (int i = 1; i <= n ; i ++ )
    {
        v[i] = i;
        h[i] = 1;
    }
    for (int i = 1; i <= m; i++)
    {
        int type, x, y;
        cin >> type;
        if (type == 1)
        {
            cin >> x >> y;
            uni (x, y);

        }
        else 
        {
            cin >> x >> y;
            if (rad(x) == rad (y))
                cout << "DA";
            else 
                cout << "NU";
            
            cout << "\n";
        }
    }
    return 0;
    
}