#include <iostream>
#include <cstdio>
#include <vector>

using namespace std;

int t[100001];

int tata(int x)
{
    if (t[x]==x)
        return x;
    return t[x]=tata(t[x]);
}

void join(int x,int y)
{
    x=tata(x);
    y=tata(y);
    t[x]=t[y];
}

int main()
{
    freopen("disjoint.in","r",stdin);
    freopen("disjoint.out","w",stdout);
    int n,m,tip,x,y;
    cin>>n>>m;
    for (int i=1;i<=n;i++)
        t[i]=i;
    for (int i=1;i<=m;i++)
    {
        cin>>tip>>x>>y;
        if (tip==1)//reuniune
            join(x,y);
        else //intrebare
            if (tata(x)==tata(y))
                cout<<"DA\n";
            else
                cout<<"NU\n";
    }
    return 0;
}