#include<cstdio>
using namespace std;
FILE*in=fopen("disjoint.in","r");
FILE*out=fopen("disjoint.out","w");
int n,m,i,p,x,xa,y,ya;
struct deep
{
    int dad,dep;
};
deep v[100003];
int fd(int a)
{
    if(v[a].dad==0)
    {
        return a;
    }
    int ans=fd(v[a].dad);
    v[a].dad=ans;
    return ans;
}
int main()
{
    fscanf(in,"%d%d",&n,&m);
    for(i=1;i<=m;i++)
    {
        fscanf(in,"%d%d%d",&p,&xa,&ya);
        if(p==1)
        {
            x=fd(xa);
            y=fd(ya);
            if(v[x].dep<v[y].dep)
            {
                v[x].dad=y;
            }
            else if(v[x].dep>v[y].dep)
            {
                v[y].dad=x;
            }
            else
            {
                v[x].dad=y;
                v[y].dep++;
            }
        }
        else
        {
            x=fd(xa);
            y=fd(ya);
            if(x==y)
            {
                fprintf(out,"DA\n");
            }
            else
            {
                fprintf(out,"NU\n");
            }
        }
    }
}