#include <iostream>
#include <cstdio>
#include <algorithm>
#define NMAX 100005

using namespace std;

int n, m;
int a[NMAX], prev[NMAX];
char rasp[][3]={"NU", "DA"};

int par(int x)
{
   if (a[x] == x)
      return x;
   int aux = par(a[x]);
   return aux;
}

void unire(int x, int y)
{
   a[par(x)] = par(y);
}

int check(int x, int y)
{
   return par(x) == par(y);
}

int main()
{
   freopen("disjoint.in", "r", stdin);
   freopen("disjoint.out", "w", stdout);
   int o, x, y;
   scanf("%d %d\n", &n, &m);
   for (int i=1; i<=n; i++)
      a[i] = i;
   for (int i=0; i<m; i++){
      scanf("%d %d %d\n", &o, &x, &y);
      if (o==2){
         printf("%s\n", rasp[check(x, y)]);
      }
      else{
         unire(x, y);
      }
   }

   return 0;
}