#include <bits/stdc++.h>
using namespace std;
vector <long long> v1;
	vector <long long> v2;
int main()
{
	int n;
	cin >> n;
	
	for (int i=0;i < n;i++){
		long long a;cin >> a;
		v1.push_back(a);
	}
	for (int i=0;i < n;i++){
		long long b;cin >> b;
		v2.push_back(b);
	}
	sort(v1.begin(),v1.end());
	sort(v2.begin(),v2.end());
	for (int i=0;i < n;i++){
		if (v1[i]> v2[i]){
			cout <<"NE"<<endl;
			return 0;
		}
	}
	cout <<"DA"<<endl;
	return 0;
}
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