#include <stdio.h>
#define buff_size 1<<17
using namespace std;
int v[100001],n,m,t,x,y;
char buff[buff_size];int pos;
FILE*f=freopen("disjoint.in","r",stdin);
FILE*g=freopen("disjoint.out","w",stdout);
inline void read(int &nr)
{
    while(buff[pos] < '0' || buff[pos] > '9') if(++pos == buff_size) fread(buff, 1, buff_size, stdin), pos = 0;
    nr = 0;
    while('0' <= buff[pos] && buff[pos] <= '9')
    {
        nr = nr * 10 + buff[pos] - '0';
        if(++pos == buff_size) fread(buff, 1, buff_size, stdin), pos = 0;
    }
}

int main()
{fread(buff,1,buff_size,stdin);
    read(n);read(m);int i;
 for(i=1;i<=n;i++) v[i]=i;

 for(i=1;i<=m;i++)
 {read(t);read(x);read(y);
  while(x!=v[x]) v[x]=v[v[x]],x=v[x];
  while(y!=v[y]) v[y]=v[v[y]],y=v[y];

       if(t==1) v[x]=y;
       else if(x==y) printf("DA\n");
            else     printf("NU\n");

 }

}