#include <iostream>
#include <algorithm>
using namespace std;
int64_t v[1001],n,i,u[1001],ok=1;
int main()
{
cin>>n;
for (i=1;i<=n;i++) cin>>v[i];
for (i=1;i<=n;i++) cin>>u[i];
sort (v+1,v+n+1);
sort (u+1,u+n+1);
for (i=1;i<=n;i++){
if (v[i]!=u[i]){
ok=0;break;
}
}
if (ok) cout<<"DA";
else cout<<"NU";
return 0;
}