#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("disjoint.in");
ofstream fout("disjoint.out");
int i,j,x,y,aux,p,t[100010],m,n;
int dettata(int x)
{
    while(t[x]!=x)
    {
        x=t[x];
    }
    return x;
}
int main()
{
    fin>>n>>m;
    for(i=1;i<=n;i++)
    {
        t[i]=i;
    }
    for(i=1;i<=m;i++)
    {
        fin>>p>>x>>y;
        if(p==1)
        {
            t[dettata(x)]=t[dettata(y)];
        }
        else
        {
            if(dettata(x)==dettata(y))
            {
                fout<<"DA"<<'\n';
            }
            else
            {
                fout<<"NU"<<'\n';
            }
        }
    }
    return 0;
}