#include <iostream>
#include <fstream>

using namespace std;

int n,m,cod,comp[100002];

/*
    daca val[i]<0,atunci acesta retine rangul nodului i;
    daca val[i]>0,val[i]=k,k este tata pentru i;
*/

inline int find(int x)
{
    int r,y;
    r=x;
    while(comp[r]>0)
        r=comp[r];

    while(comp[x]>0)
    {
        y=comp[x];
        comp[x]=r;
        x=y;
    }
    return r;
}

inline void unite(int x,int y)
{
    if(comp[x]>comp[y])
    {
        comp[y]+=comp[x];
        comp[x]=y;
    }
    else
    {
        comp[x]+=comp[y];
        comp[y]=x;
    }
}

inline void Read()
{
    int i,x,y;
    ifstream f("disjoint.in");
    ofstream g("disjoint.out");
    f>>n>>m;
    for(i=1;i<=n;i++)
        comp[i]=-1;
    for( i=1; i<=m ; i++)
    {
        f>>cod>>x>>y;
        if(cod == 2)
        {
            if(find(x) == find(y))
                g<<"DA"<<"\n";
            else
                g<<"NU"<<"\n";
        }
        else
            unite(find(x),find(y));
    }
    f.close();
    g.close();
}
int main()
{
    Read();
    return 0;
}