#include <fstream>
#include <vector>
using namespace std;
ifstream cin("disjoint.in");
ofstream cout("disjoint.out");
int n;
struct DSU
{
    vector<int>parent, sizes;
    void init()
    {
        int i;
        parent.resize(n+2);
        sizes.resize(n+2);
        for(i=1; i<=n; i++)
        {
            parent[i]=i;
            sizes[i]=1;
        }
    }
    int findd(int u)
    {
        if(u==parent[u])
            return u;
        return parent[u]=findd(parent[u]);
    }
    void unite(int u, int v)
    {
        u=findd(u);
        v=findd(v);
        if(u==v)
            return;
        if(sizes[v]>sizes[u])
            swap(u,v);
        parent[v]=u;
        sizes[u]+=sizes[v];
    }
}dsu;
int main()
{
    int m,x,y,i,t;
    cin>>n>>m;
    dsu.init();
    for(i=1; i<=m; i++)
    {
        cin>>t>>x>>y;
        if(t==1)
            dsu.unite(x,y);
        else
        {
            if(dsu.findd(x)==dsu.findd(y))
                cout<<"DA";
            else
                cout<<"NU";
            cout<<'\n';
        }
    }
    return 0;
}