#include <bits/stdc++.h>
#define N 100001
using namespace std;

ifstream fin("disjoint.in");
ofstream fout("disjoint.out");

int t[N],n;

int caut(int x)
{
    if(x==t[x])
        return x;
    else
    {
        t[x]=caut(t[x]);
        return (t[x]);
    }
}

int main()
{
    int n,a,b,i,caz,x,y,m;
    
    fin>>n>>m;
    
    for(i=1;i<=n;i++)
        t[i]=i;
    for(i=1;i<=m;i++)
    {
        fin>>caz>>a>>b;
        
        if(caz==1)
        {
            a=caut(a);
            b=caut(b);
            
            t[a]=b;
        }
        else
        {
            if(caut(a)==caut(b))
                fout<<"DA\n";
            else
                fout<<"NU\n";
        }
    }
    
    return 0;
}