#include <bits/stdc++.h>

using namespace std;
ifstream fin("disjoint.in");
ofstream fout("disjoint.out");
int n,m;
int v[100001];

int root(int x)
{
    if(v[x]==x)
    {
        return x;
    }
    v[x]=root(v[x]);
    return v[x];
}
void unite(int x,int y)
{
    x=root(x),y=root(y);
    if(rand() & 1)
    {
        v[x]=y;
    }
    else
    {
        v[y]=x;
    }
}
int main()
{
    fin >> n >> m;
    for(int i=1;i<=n;i++)
    {
        v[i]=i;
    }
    while(m--)
    {
        int t,x,y;
        fin >> t >> x >> y;
        if(t==1)
        {
            unite(x,y);
        }
        else
        {
            if(root(x)==root(y))
            {
                fout << "DA\n";
            }
            else
            {
                fout << "NU\n";
            }
        }
    }
    return 0;
}