#include <stdio.h>
int t[100001],h[100001];
int findset(int x)
{
    while(t[x]!=x)
    {
        x=t[x];
    }
    return x;
}
void unionset(int x,int y)
{
    if(h[x]==h[y])
    {
        h[x]++;
        t[y]=x;
    }
    else
    {
        if(h[x]<h[y])
        {
            t[x]=y;
        }
        else
        {
            t[y]=t[x];
        }
    }
}
int main()
{
    freopen("disjoint.in","r",stdin);
    freopen("disjoint.out","w",stdout);
    int n,m;
    scanf("%d%d",&n,&m);
    for(int i=1;i<=n;i++)
    {
        t[i]=i;
        h[i]=1;
    }
    for(int i=0;i<m;i++)
    {
        int a,x,y;
        scanf("%d%d%d",&a,&x,&y);
        if(a==1)
        {
            unionset(findset(x),findset(y));
        }
        else
        {
            if(findset(x)==findset(y))
            {
                printf("DA\n");
            }
            else
            {
                printf("NU\n");
            }
        }
    }
    return 0;
}