#include <iostream>
#include <stdio.h>
#include <vector>
#define NMax 100005
using namespace std;
int tata[NMax],rang[NMax],N,M,X,Y,op;

int Radacina(int x)
{
    int aux,rad;
    for(rad=x;rad!=tata[rad];rad=tata[rad]);

    while(tata[x]!=x)
    {
        aux=tata[x];
        tata[x]=rad;
        x=aux;
    }
    return rad;
}

void unite(int x, int y)
{
        tata[y] = x;
        rang[x] += rang[y];
}

int main()
{
    freopen("disjoint.in","r",stdin);
    freopen("disjoint.out","w",stdout);
    scanf("%d%d",&N,&M);

    for(int i=1;i<=N;i++)
    {
        tata[i]=i;
        rang[i]=1;
    }

    for(int i=1;i<=M;i++)
    {
        scanf("%d%d%d",&op,&X,&Y);
        if(op==1)
        {
            unite(Radacina(X),Radacina(Y));
        }
        else if(op==2)
        {
            if(Radacina(Y)==Radacina(X))
                printf("DA\n");
            else printf("NU\n");
        }
    }
}