#include <bits/stdc++.h>

using namespace std;
ifstream in("disjoint.in");
ofstream out("disjoint.out");
const int nx=100002;
int n,m,op,x,y;
int v[nx];
int multime (int x)
{
    if(v[x]==x) return x;
    v[x]=multime(v[x]);
    return v[x];
}
void uneste (int x, int y)
{
    v[multime(x)]=multime(y);
}
int main()
{
    in>>n>>m;
    for(int i=1; i<=n; i++)
        v[i]=i;
    for(;m;m--)
    {
        in>>op>>x>>y;
        switch(op)
        {
            case 1:
            if(multime(x)!=multime(y))
                uneste(x,y);
            break;
            case 2:
            if(multime(x)==multime(y)) out<<"DA\n";
            else out<<"NU\n";
            break;
        }
    }
    return 0;
}