///Var 1
#include <bits/stdc++.h>
#define K 100002
using namespace std;

ifstream f("disjoint.in");
ofstream g("disjoint.out");

int t[K],h[K];
int tata (int x)
{
    if(t[x]==0)
        return x;
    return tata(t[x]);
}
int main()
{
    int i,n,m,cod,x,y,tx,ty;
    f>>n>>m;
    for(i=1;i<=n;i++)
        t[i]=0,h[i]=1;
    while(m--)
    {
        f>>cod>>x>>y;
        if(cod==2)
            if(tata(x)==tata(y))
                g<<"DA\n";
            else g<<"NU\n";
        else
        {
            tx=tata(x);ty=tata(y);
            t[tx]=ty;
        }
    }
}