#include <bits/stdc++.h>
#define mp make_pair
#define pb push_back
#define INF numeric_limits<int>::max()
#define int64 long long
#define lsb(x) (-x)&(x)
using namespace std;
ifstream in("disjoint.in");
ofstream out("disjoint.out");
int n,Q,c[100010];
int group(int x)
{
    if(c[x]==x)return x;
    c[x]=group(c[x]);
    return c[x];
}
void unite(int x,int y)
{
    c[group(x)]=group(y);
}
int main()
{
    in>>n>>Q;
    for(int i=1;i<=n;i++)
        c[i]=i;
    for(;Q;Q--)
    {
        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;
}