#include <iostream>
#include <fstream>
#define nmax 100000+5
using namespace std;
int n, m, cod;
int tata[nmax], h[nmax];
ifstream f("disjoint.in");
ofstream g("disjoint.out");
int fnd(int x)
{
int r=x;
while(tata[r]) r=tata[r];
int y=x, aux;
while(y!=r)
{
aux=tata[y]; tata[y]=r; y=aux;
}
return r;
}
void uni(int x, int y)
{
if(h[x] > h[y])
tata[y] = x;
else
{
tata[x] = y;
if(h[x] == h[y])
h[y]++;
}
}
int main()
{
f >> n >> m;
for(int i=0, x, y; i<m; ++i)
{
f >> cod >> x >> y;
if(cod == 1)
uni(x ,y);
else
{
if(fnd(x) == fnd(y))
g << "DA" << '\n';
else
g << "NU" << '\n';
}
}
f.close();
g.close();
return 0;
}