#include <stdio.h>
#include <cstring>

int main()
{int nr2,j,v2[120],v1[120],n,i,k,nr1,u,t;


 freopen("amlei.in","r",stdin);
 freopen("amlei.out","w",stdout);
 
 while (scanf("%d %d %d",&n,&t,&u)!=EOF)
  {memset(v1,0,sizeof(v1));
 memset(v2,0,sizeof(v2));
	  for (nr1=0,i=1;i<=n*t;++i)
	  {scanf("%d",&k);
       v1[k+50]=1;
	  }
     for (nr2=0,i=1;i<=n*u;++i)
	  {scanf("%d",&k);
       v2[k+50]=1;
	   }
      
      for (i=0;i<=101;++i)
		  if (v1[i]!=v2[i]) 
			  { printf("NU\n"); i=-1;break;}
   
   if (i!=-1) printf("DA\n");
 
  }
 return 0;
}