#include <iostream>
#include <stdio.h>
using namespace std;

const int MAXNM=100001;
int n,m,cod,x,y;
int pr[MAXNM], inaltime[MAXNM];

void preg(int n)
{
    for(int i=1;i<=n;i++)
        pr[i]=i;
}
int caut_pr(int x)
{
    if(pr[x]==x) return x;
    else return caut_pr(pr[x]);
}
void reun(int x, int y)
{
    int pr_x=caut_pr(x), pr_y=caut_pr(y);
    if(inaltime[x]<inaltime[y])  pr[x]=pr_y;
    else
        if(inaltime[x]>inaltime[y]) pr[y]=pr_x;
        else
        {
            pr[y]=pr_x;
            inaltime[x]++;
        }

}
void solve()
{
    scanf("%d %d", &n, &m);
    preg(n);
    for(int i=1;i<=m;i++)
    {
        scanf("%d %d %d", &cod, &x, &y);
        if(cod==2)
            if(caut_pr(x)==caut_pr(y)) printf("DA \n");
            else printf("NU \n");
        else
            reun(x,y);
    }
}
int main()
{
    freopen("disjoint.in","r",stdin);
    freopen("disjoint.out","w",stdout);
    solve();
    return 0;
}