#include<fstream>
using namespace std;
int a[110],b[110],n,t,u;

int main()
{
    ifstream in("amlei.in");
    int ok,i,x;
    ofstream out("amlei.out");
    
    while(in>>n>>t>>u)
         {
              for (i=0;i<=100;i++)
                  a[i]=b[i]=0;
              for (i=1;i<=n*t;i++)
                  {
                       in>>x;
                       a[x+50]=1;
                  }
              for (i=1;i<=n*u;i++)
                  {
                       in>>x;
                       b[x+50]=1;
                  }
              ok=1;
              for (i=0;i<=100;i++)
                  if (a[i]!=b[100-i])
                     {
                          ok=0;
                          break;
                     }
              if (ok)
                 out<<"DA"<<"\n";
              else
                  out<<"NU"<<"\n";
         }
    
    in.close();
    out.close();
    return 0;   
}