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#include <bits/stdc++.h>
using namespace std;
inline void Boost() {
ios::sync_with_stdio(false);
cin.tie(NULL); cout.tie(NULL);
}
const int NMax = 1e5 + 50;
ifstream cin("disjoint.in");
ofstream cout("disjoint.out");
int Father[NMax];
int Group(int val) {
if(Father[val] == val) return val;
Father[val] = Group(Father[val]);
return Father[val];
}
void Reunion(int b, int c) {
Father[Group(b)] = Group(c);
}
void Solve(int b, int c) {
Group(b);
Group(c);
if(Father[b] == Father[c]) {
cout << "DA\n";
} else {
cout << "NU\n";
}
}
int main() {
Boost();
int n, q;
cin >> n >> q;
for(int i = 1; i <= n; ++i) Father[i] = i;
while(q--) {
int a, b, c;
cin >> a >> b >> c;
if(a == 1) {
Reunion(b, c);
} else {
Solve(b, c);
}
}
return 0;
}