#include <bits/stdc++.h>

using namespace std;

int p[1000005];

int get(int u)
{
    if(p[u] == u) return u;
    return p[u] = get(p[u]);
}

void unite(int a, int b)
{
    a = get(a);
    b = get(b);

    if(a != b)
        p[a] = b;
}


int main()
{
    ifstream cin("disjoint.in");
    ofstream cout("disjoint.out");
    int n, q, cer, a, b;
    cin>>n>>q;
    for(int i=1; i<=n; i++)
        p[i] = i;

    for(int i=1; i<=q; i++)
    {
        cin>>cer>>a>>b;

        if(cer == 1)
            unite(a, b);
        else if(cer == 2)
        {
            if(get(a) == get(b))
                cout<<"DA";
            else
                cout<<"NU";
            cout<<'\n';
        }
    }


    return 0;
}