#include <iostream>
#include <fstream>
using namespace std;

int sef[100001],n,m;

int boss(int nod)
{
    if(sef[nod] == nod)
        return nod;
    else
        return sef[nod] = boss(sef[nod]);
}

void unite(int x, int y)
{
    int sef_x = boss(x);
    int sef_y = boss(y);
    sef[sef_x] = sef_y;
}

int main()
{
    cin >> n >> m;
    for(int i = 1; i <= n; i++)
        sef[i] =i;
    for(int i = 1; i <= m; i++)
    {
        int op,x,y;
        cin >> op >> x >> y;
        if(op == 1)
            unite(x,y);
        else
        {
            x = boss(x);
            y = boss(y);
            if(sef[x] == sef[y])
                cout << "DA\n";
            else
                cout << "NU\n";
        }
    }
    return 0;
}