#include <fstream>

using namespace std;

ifstream cin("disjoint.in");
ofstream cout("disjoint.out");

int n, m, v[100005];

void onion(int x, int y);
int findd(int x);

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

    for(int i = 1; i <= n; i++)
        v[i] = i;

    for(int i = 1; i <= m; i++)
    {
        int op, x, y;

        cin >> op >> x >> y;

        if(op == 1)
            onion(x, y);
        else
        {
            if(findd(x) == findd(y))
                cout << "DA\n";
            else
                cout << "NU\n";
        }
    }

    return 0;
}

void onion(int x, int y)
{
    int rx = findd(x);
    int ry = findd(y);

    if(rx == ry)
        return;
    else
    {
        if(rx < ry)
            v[rx] = ry;
        else
            v[ry] = rx;
    }
}

int findd(int x)
{
    if(v[x] == x)
        return x;

    int rx = findd(v[x]);

    v[x] = rx;

    return rx;
}