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#include <bits/stdc++.h>
using namespace std;
const int NMAX = 1e5;
int p[NMAX + 1];
int sz[NMAX + 1];
int Find(int x) {//returneaza radacina arborelui in care se afla x
while(x != p[x]) {
x = p[x];
}
return x;
// if(x == p[x]) {
// return x;
// }
// return Find(p[x]);
}
void Union(int x, int y) {
x = Find(x);
y = Find(y);
if(sz[x] < sz[y]) {
swap(x, y);
}
p[y] = x;
sz[x] += sz[y];
sz[y] = 0;
}
int main() {
ifstream cin("disjoint.in");
ofstream cout("disjoint.out");
int n, q;
cin >> n >> q;
for(int i = 1; i <= n; i++) {
p[i] = i;
sz[i] = 1;
}
for(int i = 1; i <= q; i++) {
int op, x, y;
cin >> op >> x >> y;
if(op == 2) {
if(Find(x) == Find(y)) {
cout << "DA\n";
} else {
cout << "NU\n";
}
} else {
Union(x, y);
}
}
}