disjoint

#include <iostream>
using namespace std;

int main()
{
    int n,m;
    cin>>n>>m;
    int CL[n+1];
    for(int i=1;i<=n;++i)
        CL[i]=i;
    int op,x,y;
    while(m--)
    {
        cin>>op>>x>>y;
        if(op==1)
        {
            if(CL[x]!=CL[y])
            {
                for(int i=1;i<=n;++i)
                    if(i!=y&&CL[i]==CL[y])
                        CL[i]=CL[x];
                CL[y]=CL[x];
            }
        }
        else
            if(CL[x]==CL[y])
                cout<<"DA\n";
            else
                cout<<"NU\n";
    }
    return 0;
}