#include <cstdio>

using namespace std;

long t[100001],n,m,i,h[100001],cod,x,y,tx,ty;

int find (int x)
{
    while(t[x]!=x)
        x=t[x];
    return x;
}

int unionset(int x, int y)
{
    if(h[x]==h[y])
    {
        h[x]++;
        t[y]=x;
    }
    else
        if(h[x]>h[y])
        {
            t[y]=x;
        }
        else{
            t[x]=y;
        }
}

int main () {

    freopen("disjoint.in","r",stdin);
    freopen("disjoint.out","w",stdout);

    scanf("%d%d",&n,&m);

    for(i=1;i<=n;i++)
        t[i]=i;

    for(i=1;i<=m;i++){
        scanf("%d%d%d",&cod,&x,&y);
        ty=find(x);
        tx=find(y);
        if(cod==1)
            if(tx!=ty)
                unionset(x,y);
        if(cod==2){
            if(tx==ty)
                printf("DA\n");
            else
                printf("NU\n");
        }
    }
    return 0;
}