#include <bits/stdc++.h>

using namespace std;

ifstream in("disjoint.in");
ofstream out("disjoint.out");

int t[1005],n,m,o,x,y;

void op1(int x,int y)
{
    t[y]=x;
}

int r(int a)
{
    if(t[a]!=0)
        return r(t[a]);
    return a;
}

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);
        else op2(x,y);
    }
    return 0;
}