This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
using namespace std;
#define sp << " " << 
#define int long long
#define vi vector<int>
#define F(xxx,yyy) for (int xxx=1;xxx<=yyy;xxx++)
#define pii pair<int,int>
#define pb push_back
const int N = 5e5+1;
const int inf = 1e9+1;
const int MOD = 1e9+7;
void solve() {  
  int n;
  cin >> n;
  vi a(n+1),b(n+1);
  F(i,n) cin >> a[i];
  F(i,n) cin >> b[i];
  sort(a.begin()+1,a.end());
  sort(b.begin()+1,b.end());
  bool cool = 1;
  F(i,n) if (b[i] < a[i]) cool = 0;
  cout << ((cool)?"DA\n":"NE\n");
} 
    
                  
                             
signed main() { 
  ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
  #ifdef Local
  freopen("in","r",stdin);
  freopen("out","w",stdout); 
  #endif
  int t = 1;
  //cin >> t;
	F(i,t) solve();
}
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