#include <bits/stdc++.h>

#define NMax 100005

using namespace std;

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

int N,M;
int state[NMax],father[NMax];

int GetRoot(int root)
{
    for(;root!=father[root];root=father[root]);
    return root;
}

void Unite(int x,int y)
{
    if(state[x]>state[y])
        father[y]=x;
    else
        father[x]=y;
    if(state[x]==state[y])
        state[y]++;
}

int main()
{
    fin>>N>>M;
    for(int i=1;i<=N;i++)
        father[i]=i, state[i]=1;
    for(int i=1;i<=M;i++)
    {
        int op,x,y;
        fin>>op>>x>>y;
        if(op==1)
        {
            int rootx=GetRoot(x);
            int rooty=GetRoot(y);
            Unite(rootx,rooty);
        }
        if(op==2)
        {
            int rootx=GetRoot(x);
            int rooty=GetRoot(y);
            rootx==rooty ? fout<<"DA\n" : fout<<"NU\n";
        }
    }
    return 0;
}