#include <iostream>
#include <fstream>

using namespace std;

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

int t[100001],r[100001],n,m;

int radacina(int x)
{
    int r;
    r=x;
    r=t[r];
    r=t[r];
    t[x]=r;
    return r;
}

void unire(int x,int y)
{
    if(r[x]>r[y])
    {
        t[y]=x;
    }
    else
    {
        t[x]=y;
    }
    if(r[x]==r[y])
    {
        r[y]++;
    }
}

int main()
{int i,op,x,y;
    f>>n>>m;
    for(i=1;i<=n;i++)
    {
        t[i]=i;
        r[i]=1;
    }
    for(i=1;i<=m;i++)
    {
        f>>op>>x>>y;
        if(op==2)
        {
            if(radacina(x)==radacina(y))
            {
                g<<"DA"<<'\n';
            }
            else
            {
                g<<"NU"<<'\n';
            }
        }
        else
        {
            unire(radacina(x),radacina(y));
        }
    }
    return 0;
}