///circular
//unordered_
#include <bits/stdc++.h>
#define MOD 1000000007
#define big 1e9
using namespace std;
ifstream fin("disjoint.in");
ofstream fout("disjoint.out");
int i,t[100010],r[100010],a,b,c,n,q ;

int qu(int a)
{
    if(a==t[a])
        return a;
    t[a]=qu(t[a]);
    return t[a];
}

void up(int a,int b)
{
    int ta=qu(a);
    int tb=qu(b);
    if(r[ta]>r[tb])
        t[tb]=ta;
    else if(r[ta]<r[tb])
        t[ta]=tb;
    else
    {
        t[ta]=tb;
        r[tb]++;
    }
}
int main()
{
    cin.tie(0);
    cout.tie(0);
    fin>>n>>q;
    for(i=1; i<=n; i++)
        t[i]=i;
    for(i=1; i<=q; i++)
    {
        fin>>c>>a>>b;
        if(c==1)
            up(a,b);
        else
        {
            if(qu(a)==qu(b))
                fout<<"DA"<<'\n';
            else
                fout<<"NU"<<'\n';
        }
    }
    return 0;
}