#include <iostream>
#include <fstream>

using namespace std;
int h[100005], tata[100005];
int frad(int x)
{
    while(x!=tata[x]) x=tata[x];
    return x;
}
void unire(int rx, int ry)
{
    if(h[rx]>h[ry]) tata[ry]=rx;
    else if(h[rx]<h[ry]) tata[rx]=ry;
    else
    {
        tata[rx]=ry;
        h[ry]++;
    }
}
int main()
{
    ifstream cin("disjoint.in");
    ofstream cout("disjoint.out");
    int n, m, cod, a, b;
    cin>>n>>m;
    for(int i=1; i<=n; i++)
    {
        tata[i]=i;
    }
    for(int i=0; i<m; i++)
    {
        cin>>cod>>a>>b;
        if(cod==2)
        {
            if(frad(a)==frad(b)) cout<<"DA"<<endl;
            else cout<<"NU"<<endl;
        }
        else unire(frad(a), frad(b));
    }
    return 0;
}