#include<cstdio>
int a[101],b[101],n,t,u,i,m,j;
int main()
{FILE *f=fopen("amlei.in","r"),*g=fopen("amlei.out","w");
while(!feof(f))
     {fscanf(f,"%d%d%d",&n,&t,&u);
     for(i=1;i<=n*t;i++)
           fscanf(f,"%d",&j),a[n+j]++;
     for(i=1;i<=n*u;i++)
           fscanf(f,"%d",&j),b[n+j]++;
     if(feof(f))
           break;
     for(i=m=1;i<=2*n&&m;i++)
     if((!a[i]&&b[i])||(a[i]&&!b[i]))
           m=0;
     if(!m)
           fprintf(g,"NU\n");
     else
           fprintf(g,"DA\n");
     for(i=1;i<=2*n;i++)
           a[i]=b[i]=0;}
return 0;}