#include <bits/stdc++.h>

using namespace std;
ifstream in ("disjoint.in");
ofstream out ("disjoint.out");
int t[100008],n,m,o,x,y;
void op1(int x,int y)
{
    t[y]=x;

}
int r(int c)
{
    if(t[c]!=0)
        return r(t[c]);
    return c;
}
void op2(int x,int y)
{
    if(r(x)==r(y))
        out<<"DA\n";
    else
        out<<"NU\n";
}
int main()
{
    in>>n>>m;
    for(int i=1;i<=m;i++)
    {
        in>>o>>x>>y;
        if(o==1)
            op1(x,y);
        if(o==2)
            op2(x,y);
    }
    return 0;
}