#include <iostream>
#include <fstream>

using namespace std;

ifstream in("disjoint.in");
ofstream out("disjoint.out");

int sef[100001];

int boss(int x)
{
    if(sef[x]==x)
        return x;
    else
        return sef[x]=boss(sef[x]);
}
void unire(int x, int y)
{
    sef[boss(y)]=boss(x);
}

int main()
{
    int n,q;
    in>>n>>q;
    int a,x,y;
    for(int i=1;i<=n;i++)
    {
        sef[i]=i;
    }
    for(int i=1;i<=q;i++)
    {
        in>>a>>x>>y;
        if(a==1)
        {
            unire(x,y);
        }
        else
        {
            if(boss(x)==boss(y))out<<"DA"<<'\n';
            else out<<"NU"<<'\n';
        }
    }
    return 0;
}