#include <cstdio>
#include <vector>

#define NMAX 100002

using namespace std;

int n,q;
int t[NMAX];

vector<int>F;

int find_t(int nod)
{
    F.clear();
    int what=nod;
    while(what!=t[what])
    {
        F.push_back(what);
        what=t[what];
    }
    for(auto w:F)
    {
        t[w]=what;
    }
    return what;
}

int main()
{
    freopen("disjoint.in", "r", stdin);
    freopen("disjoint.out", "w", stdout);

    int x,y,cod;

    scanf("%d%d", &n, &q);

    for(int i=1; i<=n; i++)
    {
        t[i]=i;
    }
    while(q)
    {
        q--;
        scanf("%d%d%d", &cod, &x, &y);
        if(cod==1)
        {
            t[y]=x;
        }
        else
        {
            int r1=find_t(x);
            int r2=find_t(y);
            if(r1==r2)
            {
                printf("DA\n");
            }
            else
            {
                printf("NU\n");
            }
        }

    }
    return 0;
}