#include <fstream>

using namespace std;

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

int tata[100001],n, m , rx, ry, t, x, y;

int rad(int x)
{
    while(tata[x] > 0)
    {
        x = tata[x];
    }
    return x;
}
int main()
{
    cin>> n >> m;
    for(int i = 1; i<=n; i++)
    {
        tata[i] = -1;
    }
    for(int i = 1; i<=m; i++)
    {
        cin>>t >> x>>y;
        if(t==1)
        {
            rx=rad(x);
            ry=rad(y);
            if(rx!=ry)
            {
                if(tata[rx]<tata[ry])
                {
                    tata[rx]+=tata[ry];
                    tata[ry] = rx;
                }
                else
                {
                    tata[ry]+=tata[rx];
                    tata[rx] = ry;
                }
            }
        }
        else
        {
            rx=rad(x);
            ry=rad(y);
            if(rx==ry)
            {
                cout << "DA\n";
            }
            else
                cout << "NU\n";
        }
    }
    return 0;
}