#include <iostream>
#include <vector>
#include <algorithm>
#include <limits>
#include <numeric>
#include <cstring>
#include <string>
#include <queue>
#include <set>
#include <cmath>
#include <fstream>
#include <cstdlib>
#include <map>
#define pb push_back
#define mp make_pair
#define INF numeric_limits<int>::max()
#define lsb(x) (-x)&x
#define int64 long long
using namespace std;
ifstream in("disjoint.in");
ofstream out("disjoint.out");
int g[100001],n,m;
int group(int x)
{
    if(g[x]==x)return x;
    g[x]=group(g[x]);
    return g[x];
}
void unite(int x,int y)
{
    g[group(x)]=group(y);
}
int main()
{
    in>>n>>m;
    for(int i=1;i<=n;i++)
        g[i]=i;
    for(;m;m--)
    {
        int t,x,y;
        in>>t>>x>>y;
        if(t==1)
            unite(x,y);
        else
            out<<(group(x)==group(y) ? "DA\n" : "NU\n");
    }
    return 0;
}