#include <bits/stdc++.h>
#pragma GCC optimize ("O2")
#define int long long
#define endl '\n' 
#define vc vector<int>
using namespace std;
int32_t main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0); 	cout.tie(0);
    cout.setf(ios::fixed);
    cout.precision(0);
    int n;
    cin >> n;
    vc v(n), c(n);
    
    for(int i = 0; i < n; i++) cin >> v[i];    
    
    for(int i = 0; i < n; i++) cin >> c[i];
    
    sort(v.begin(), v.end());
    sort(c.begin(), c.end());
    
    
    bool isP = true;
    for(int i = 0; i < n; i++) {
        if(v[i] > c[i]) {
            isP = false;
            break;
        }
    }
   
    cout << (isP ? "DA" : "NE") << endl;
    
    return 0;
}
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