#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("disjoint.in");
ofstream fout("disjoint.out");
int n,m,i,o,x,y,t[100001],rang[100001],r1,r2;
int radacina(int x)
{
    int r=x,aux;
    while(t[r]!=r) r=t[r];
    while(t[x]!=x)
    {
        aux=t[x];
        t[x]=r;
        x=aux;
    }
    return r;
}
void unestedrum(int x, int y)
{
    if(rang[x]>rang[y]) t[y]=x;
    else t[x]=y;
    if(rang[x]==rang[y]) rang[y]++;
}
int main()
{
    fin>>n>>m;
    for(i=1;i<=n;i++)
    {
        t[i]=i;
        rang[i]=1;
    }
    for(i=1;i<=m;i++)
    {
        fin>>o>>x>>y;
        r1=radacina(x);
        r2=radacina(y);
        if(o==1) unestedrum(r1,r2);
        else if(r1==r2) fout<<"DA\n";
        else fout<<"NU\n";
    }
    return 0;
}