#include <iostream>
using namespace std;
const int MAX_SIZE = 10;
int main() {
int n, v[MAX_SIZE + 1], w[MAX_SIZE + 1];
cin >> n;
for (int i = 1; i <= n; ++i) {
cin >> v[i];
}
for (int i = 1; i <= n; ++i) {
cin >> w[i];
}
int count = 0;
for (int i = 1; i <= n; ++i) {
for (int j = 1; j <= n; ++j) {
if (v[i] == w[j] && i == j) {
count = 1;
i = n + 1;
j = n + 1;
}
}
}
if (count == 0) {
cout << "DA";
} else {
cout << "NU";
}
return 0;
}
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