#include<cstdio>
using namespace std;
int t[100005],h[100005];
int find_set(int x)
{
    while(x!=t[x])
        x=t[x];
    return x;
}
void unifica(int x,int y)
{
    if(h[x]>h[y])
        t[y]=x;
    else
        if(h[x]<h[y])
            t[x]=y;
        else
        {
            h[x]++;
            t[y]=x;
        }
}
int main()
{
    freopen("disjoint.in","r",stdin);
    freopen("disjoint.out","w",stdout);
    int n,m,i,op,x,y,tx,ty;
    scanf("%d%d",&n,&m);
    for(i=1;i<=n;i++)
    {
        t[i]=i;
        h[i]=1;
    }
    for(i=1;i<=m;i++)
    {
        scanf("%d%d%d",&op,&x,&y);
        if(op==1)
        {
            tx=find_set(x);
            ty=find_set(y);
            unifica(tx,ty);
        }
        else
        {
            tx=find_set(x);
            ty=find_set(y);
            if(tx==ty)
                printf("DA\n");
            else
                printf("NU\n");
        }
    }
}