#include <bits/stdc++.h>
#define fisiere 1
using namespace std;
/**************************************
 *completeaza numele fisiereleor aici *
 **************************************/
const string NUME_PROGRAM="disjoint";
#if fisiere==1
ifstream f(NUME_PROGRAM+".in");
ofstream g(NUME_PROGRAM+".out");
#endif // fisiere
const int N = 100010;
int n,m,i,x,y,cod,rx,ry,t[N],radacina(int);
int main()
{
    f>>n>>m;
    for(i=1;i<=n;i++)
        t[i]=i;
    for(;m;m--)
    {
        f>>cod>>x>>y;
        rx=radacina(x);
        ry=radacina(y);
        if(cod==1)
            t[rx]=ry;
        else
        {
            if(rx==ry)
                g<<"DA\n";
            else
                g<<"NU\n";
        }
    }
    return 0;
}
int radacina(int x)
{
    if(t[x]==x)
        return x;
    t[x]=radacina(t[x]);
    return t[x];
}