#include <iostream>
#include <fstream>
using namespace std;
ifstream f("disjoint.in");
ofstream g("disjoint.out");
const int NMAX = 1e5;
int p[NMAX + 1], sz[NMAX + 1];
int Find(int x) {
while (x != p[x]) {
x = p[x];
}
return x;
}
void Union(int x, int y) {
x = Find(x);
y = Find(y);
if (sz[x] > sz[y]) {
p[y] = x;
sz[x] += sz[y];
} else {
p[x] = y;
sz[y] += sz[x];
}
}
int main() {
int n, q;
f >> n >> q;
for (int i = 1; i <= n; i ++) {
p[i] = i;
sz[i] = i;
}
for (int i = 1; i <= q; i ++) {
int op, x, y;
f >> op >> x >> y;
if (op == 1){
Union(x, y);
} else {
if(Find(x) != Find(y)){
g << "NU\n";
} else {
g << "DA\n";
}
}
}
return 0;
}