#include <iostream>
#include<fstream>
using namespace std;
ifstream fin("disjoint.in");
ofstream fout("disjoint.out");
int theRoots[100005];
struct nod
{
    int root,grad;
};
nod getRoot(nod a){
    if(a.root != theRoots[a.root])
    return getRoot({theRoots[a.root],a.grad+1});
    else
        return a;
}
void setUnion(int a,int b)
{
    theRoots[b] = a;
}
int main()
{
    int n,m;
    fin>>n>>m;
    for(int i=1;i<=n;i++)
        theRoots[i] = i;
    for(int i=0; i < m; i++)
    {
        int t,x,y;
        fin>>t>>x>>y;
        nod r1 = getRoot({x,0});
        nod r2 = getRoot({y,0});
        if(t == 1)
        {
            if(r1.root != r2.root)
            {
                if(r1.grad > r2.grad)
                    setUnion(r1.root,r2.root);
                else
                    setUnion(r2.root,r1.root);
            }
        }
        else{
            if(r1.root != r2.root)
                fout<<"NU"<<'\n';
            else
                fout<<"DA"<<'\n';
        }
    }
    return 0;
}