#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;
int main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(0);
int n;
cin >> n;
vector<int> ted(n);
for(int i = 0; i < n; i++){
cin >> ted[i];
}
for(int i = 0; i < n; i++){
cout << ted[i] << " ";
}
cout << endl;
for(int i = 0; i < n; i++){
cout << ted[i] << " ";
}
return 0;
}
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