#include <iostream>
#include <stdio.h>
#include <stdlib.h>
#define nmax 100005
using namespace std;
FILE *fin,*fout;
int n,m,t[nmax],r[nmax];
int cauta(int x)
{
    int y,i;
    for(i=x;t[i]!=i;i=t[i]);
    while(t[x]!=x)
    {
        y=t[x];
        t[x]=i;
        x=y;
    }
    return i;
}
void unite(int x,int y)
{
    r[x]>r[y]?t[y]=x:t[x]=y;
    r[y]+=(r[x]==r[y]);
}
int main()
{
    fin=fopen("disjoint.in","r");
    fout=fopen("disjoint.out","w");
    int x,y,o,f1,f2;
    fscanf(fin,"%d %d",&n,&m);
    for(int i=1;i<=n;i++)
        t[i]=i,r[i]=1;
    for(int i=1;i<=m;i++)
    {
        fscanf(fin,"%d %d %d",&o,&x,&y);
        f1=cauta(x);
        f2=cauta(y);
        if(o==1)
            unite(f1,f2);
        else
            f1==f2?fprintf(fout,"DA\n"):fprintf(fout,"NU\n");
    }
    return 0;
}