/*#include <fstream>
#include <cstdio
using namespace std;
int find(int x){
    if(x==t[x])return x;
    else t[x]=find(t[x]);}
int reunire(int x,int y){
    x=find(x);
    y=find(y);
    if(rang[x]>rang[y])t[y]=x;
    else
    if(rang[y]>rang[x])t[x]=y;
    else {
        rang[x]++;t[y]=x;}}
int main()
{
    freopen("disjunt.in","r",stdin);
    ofstream g ("disjunt.out");
    scanf("%d%d",&n,&m);
    for(i=1;i<=n;i++)
    t[i]=i;
    for(i=1;i<=m;i++)
    scanf("%d%d%d",&)*/
#include <cstdio>
using namespace std;
int n,que,t[100005],rang[100005],x,y,i,instr;
int findd(int x)
{
    if (t[x]==x)return x;
    else t[x]=findd(t[x]);
}
void uneste(int x,int y)
{
    x=findd(x);
    y=findd(y);
    if (rang[x]>rang[y])t[y]=x;
    else if (rang[x]<rang[y])t[x]=y;
    else
    {
        rang[x]++;
        t[y]=x;
    }
    return ;
}
int main()
{
    freopen("disjoint.in","r",stdin);
    freopen("disjoint.out","w",stdout);
    scanf("%d %d\n",&n,&que);
    for (i=1; i<=n; i++)
        t[i]=i,rang[i]=1;
    for (i=1; i<=que; i++)
    {
        scanf("%d %d %d\n",&instr,&x,&y);
        if (instr==1)
        {
            uneste(x,y);
        }
        else
        {
            if (findd(x)==findd(y))printf("DA\n");
            else printf("NU\n");
        }
    }
    return 0;
}