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#include <bits/stdc++.h>
using namespace std;
ifstream fin("disjoint.in");
ofstream fout("disjoint.out");
int parent[100001];
int root(int x)
{
    if(parent[x]==x)
    {
        return x;
    }
    return parent[x]=root(parent[x]);
}
void uniune(int x,int y)
{
    int r1=root(x);
    int r2=root(y);
    if(r1!=r2)
    {
        parent[r1]=r2;
    }
}
int main()
{
    int n,i,j,m,x,y,tip;
    fin>>n>>m;
    for(i=1;i<=n;i++)
    {
        parent[i]=i;
    }
    for(i=1;i<=m;i++)
    {
        fin>>tip>>x>>y;
        if(tip==1)
        {
            uniune(x,y);
        }
        else
        {
            if(root(x)==root(y))
            {
                fout<<"DA"<<"\n";
            }
            else fout<<"NU"<<"\n";
        }
    }
    return 0;
}