#include <bits/stdc++.h>

using namespace std;
ifstream in("disjoint.in");
ofstream out("disjoint.out");
const int nx=100002;
int a[nx],n,op,m,x,y;
int grupa (int x)
{
    if(x==a[x]) return a[x];
    a[x]=grupa(a[x]);
    return a[x];
}
void uneste (int x, int y)
{
    a[grupa(x)]=grupa(y);
}
int main()
{
    in>>n>>m;
    for(int i=1; i<=n; i++)
            a[i]=i;
    for(;m;m--)
    {
        in>>op>>x>>y;
        if(op==1) uneste(x,y);
        else
        {
            if(grupa(x)==grupa(y)) out<<"DA\n";
            else out<<"NU\n";
        }
    }
    return 0;
}