#include <bits/stdc++.h>
#define dim 100005
using namespace std;
ifstream f("disjoint.in");
ofstream g("disjoint.out");
int daddy[dim],rnk[dim];
int n,m;
int GetRoot(int node)
{
    if(daddy[node]!=node)
        return GetRoot(daddy[node]);
    return node;
}
void Solve()
{
    f>>n>>m;
    for(int i=1;i<=n;++i)
        daddy[i]=i;
    for(int i=1;i<=m;++i)
    {
        int type,x,y;
        f>>type>>x>>y;
        if(type==1)
            daddy[x]=GetRoot(y);
        else
            if(GetRoot(x)==GetRoot(y))
            g<<"DA\n";
        else
            g<<"NU\n";
    }
}
int main()
{
    Solve();
    return 0;
}