#include <bits/stdc++.h>
using namespace std;
int lead[100005], depth[100005];
int find(int u){
if(lead[u] == u) return u;
return lead[u] = find(lead[u]);
}
void unite(int u, int v){
u = find(u);
v = find(v);
if(u == v) return;
if(depth[u] > depth[v]) swap(u, v);
lead[u] = v;
if(depth[u] == depth[v]) depth[v]++;
}
int main(){
ifstream cin("disjoint.in");
ofstream cout("disjoint.out");
int n, m;
cin >> n >> m;
for(int i = 1; i <= n; i++){
lead[i] = i;
depth[i] = 1;
}
for(int i = 1; i <= m; i++){
int t, x, y;
cin >> t >> x >> y;
if(t == 1){
unite(x, y);
}
else{
if(find(x) == find(y))
cout << "DA\n";
else
cout << "NO\n";
}
}
return 0;
}